Commerce SDK (CSDK) errors: what they mean
Commerce SDK (CSDK) errors are named values such as ECLTransactionDeclined or ECLCardReaderNotConnected. For most errors, the prefix tells you where the problem is: the transaction, the card reader, the printer or your account setup.
On this page
How do I tell what kind of error I have?
| Name starts with | What it covers |
|---|---|
ECLTransaction… |
The transaction itself and Converge’s response: declines, invalid data, tokens, receipts, signatures, amounts and EMV card events. |
ECLTransactionValidation… |
Checks the SDK runs before sending, mostly on transaction search criteria (dates, first six or last four digits). |
ECLCardReader… |
The payment terminal: pairing, connection, reboots, key updates, PIN entry, card reads and MAC/session keys. |
ECLPrinter… |
The receipt printer: offline, cover open, out of paper or port problems. |
ECLCheckReader… |
The cheque reader. |
WebMisError_… |
Web service errors. Almost all are marked as not used with Converge; the TLS handshake error is the one you may see. |
Other ECL… names |
Setup and environment: account credentials, vendor info, rooted device, missing security or TLV libraries, proxy settings. |
What do specific CSDK errors mean?
| Error | What it means |
|---|---|
ECLTransactionDeclined |
The transaction was declined. |
ECLTransactionInvalidCredentials |
Converge rejected the account credentials. The nested error gives the exact reason. |
ECLTransactionInvalidTransactionForAccount |
The account or terminal isn’t set up for this transaction type. |
ECLTransactionAmountInvalid |
Converge rejected the amount, for example a refund that is too large or an invalid cashback amount. |
ECLTransactionMissingCvv2 |
Converge returned that the CVV2 is missing. |
ECLTransactionInvalidCvv2 |
Converge rejected the CVV2 value sent. |
ECLTransactionOtherTransactionBeingProcessed |
Another transaction is still in progress. Commerce SDK runs one transaction at a time. |
ECLTransactionCardRemoved |
The chip card was pulled out before the transaction finished. |
ECLTransactionCardReaderNoneAvailable |
The SDK can’t find a card reader. Check that it is paired and connected. |
ECLTransactionFailedDueToRule |
Converge shows the transaction failed a fraud, pre-auth or post-auth rule. |
ECLCardReaderNotConnected |
The card reader isn’t connected. |
ECLCardReaderNotPaired |
The card reader isn’t paired. |
ECLCardReaderTimeOut |
The card reader timed out. |
ECLCardReaderBatteryLow |
The card reader’s battery is too low to continue. |
ECLCardReaderNeedsUpdate |
The card reader’s software is older than the minimum version the SDK needs. |
ECLPrinterPaperEmpty |
The receipt printer is out of paper. |
ECLAccountInvalidVendorInfo |
The vendor app name, app version or vendor ID wasn’t supplied when creating the account object. |
WebMisError_SSLHandshakeFailure |
The secure connection failed. Check that the device supports TLS 1.2. |
Where is the full list?
This page covers a selection of error names. Elavon documents the Commerce SDK on its Commerce SDK overview. For an error name not covered here, contact Cartis Payments.
Common questions
What does ECLTransactionInvalidCvv2 mean?
Converge rejected the CVV2 value sent with the transaction. A missing CVV2 returns ECLTransactionMissingCvv2 instead.
Why do I get ECLTransactionOtherTransactionBeingProcessed?
The SDK handles one transaction at a time. Wait for the current one to finish or be cancelled before starting the next.
Who can help with a CSDK error?
Contact Cartis Payments with the error name and the debug description: call 1-888-712-0770 or email support@cartispayments.com.
All Commerce SDK (CSDK) error codes
| ECLTransactionDeclined |
| Transaction was declined. |
| ECLTransactionNotCommitted |
| Transaction was not committed on server. |
| ECLTransactionNotApproved |
| Transaction was declined. |
| ECLTransactionVoid |
| Transaction was voided or had a hold put on it. |
| ECLTransactionCanceled |
| Action was canceled due to a cancel request. |
| ECLTransactionUnsupportedTender |
| Tried to use tender type that is not supported. |
| ECLTransactionUnimplemented |
| Commerce failed to implement something. Will never happen in release. |
| ECLTransactionUnavailable |
| Tried to cancel or continue a transaction that is not in a state where that is possible. |
| ECLTransactionPropertyFailure |
| Not used for converge. |
| ECLTransactionFailure |
| General error occurred. Check log. |
| ECLTransactionUnsupportedTransactionType |
| Tried to use transaction type that is not supported. |
| ECLTransactionTokenGenerationFailure |
| Server was unable to generate token. |
| ECLTransactionStoreTokenFailure |
| Server was unable to store token for use in Card Manager in Converge web site. |
| ECLTransactionInvalidToken |
| Invalid token was used for token transaction. |
| ECLTransactionSignatureRejected |
| Signature was rejected. |
| ECLTransactionVoiceReferralRejected |
| Voice referral rejected. |
| ECLTransactionReceiptFailure |
| Not used for converge. |
| ECLTransactionReceiptNotSent |
| Unable to send request to Converge to email receipt. |
| ECLTransactionResponseWrongRecipient |
| Response from server was incorrectly processed. |
| ECLTransactionRequestBad |
| Unable to send request to server. |
| ECLTransactionInsufficientCash |
| Not used for converge. |
| ECLTransactionUnsupportedCash |
| Not used for converge. |
| ECLTransactionSearchCanceled |
| Transaction search was canceled. |
| ECLTransactionSearchResponseBad |
| not used |
| ECLTransactionSearchResponseWrongRecipient |
| Response from server was incorrectly processed by search handler. |
| ECLTransactionSearchRequestBad |
| Search request problem. |
| ECLTransactionSearchFailure |
| Converge server returned that our search request contained invalid criteria. Use ‘error.getDebugDescription()’ to see more. |
| ECLTransactionAlreadyCompleted |
| Tried to use cancel, process, or continue a transaction that was already completed. |
| ECLTransactionAlreadyStarted |
| Tried to call processTransaction on a transaction that was already started. |
| ECLTransactionOtherTransactionBeingProcessed |
| Commerce can only process one transaction at a time and one is in progress. |
| ECLTransactionNoneInProgress |
| Tried to do something to a transaction but none were in progress. |
| ECLTransactionBluetoothOff |
| Not used for converge. |
| ECLTransactionValidationFail |
| Validation failed. Use ‘error.getDebugDescription()’ to see more. Nested errors will contain reason. |
| ECLTransactionValidationCardNumberTooLong |
| Not used. |
| ECLTransactionValidationSecurityCodeTooLong |
| Not used. |
| ECLTransactionValidationSignatureSmall |
| Signature does not have minimum width and/or height. |
| ECLTransactionValidationUnsupportedTransaction |
| Not used for converge. |
| ECLTransactionValidationWrongCurrency |
| Currency for tender does not match what the account can process. |
| ECLTransactionValidationStartDateAfterEnd |
| Transaction search criteria start date is after end date. |
| ECLTransactionValidationDateRangeTooWide |
| Transaction search criteria difference between start date and end date exceeds maximum. |
| ECLTransactionValidationLastFourWrongLength |
| Transaction search criteria last four digits is not 4 digits long. |
| ECLTransactionValidationFirstSixWrongLength |
| Transaction search criteria first six digits is not 6 digits long. |
| ECLTransactionValidationHasTransactionId |
| Transaction search criteria has a transaction ID and last 4, first 6, or card number also set. |
| ECLTransactionValidationRequiresTransactionDate |
| Transaction search criteria has a transaction ID but not transaction date. |
| ECLTransactionValidationHasCardNumber |
| Not used. |
| ECLTransactionValidationMissingAmount |
| Not used. |
| ECLTransactionSignatureMissing |
| Not used for converge. |
| ECLTransactionSignatureNotVerified |
| Not used for converge. |
| ECLTransactionValidationVoiceReferralTooLong |
| Not used for converge. |
| ECLTransactionValidationVoiceReferralTooShort |
| Not used for converge. |
| ECLTransactionValidationVoiceReferralWrongCharacters |
| Not used for converge. |
| ECLTransactionValidationRequired |
| Transaction search criteria missing at least one required property. |
| ECLTransactionValidationNotAvailable |
| Transaction search criteria contains property that is not available. |
| ECLTransactionReceiptValidationNoPhoneNumber |
| Trying to SMS receipt with no phone number. Not used for Converge. |
| ECLTransactionReceiptValidationNoEmailAddress |
| Trying to email receipt with no email address. |
| ECLTransactionReceiptValidationNoPrinterName |
| Not used. |
| ECLTransactionReceiptValidationUnsupportedOutputType |
| Trying to use ECLReceiptOutputType that is not supported. |
| ECLTransactionUnsupportedCurrency |
| Trying to use ::ECLReceiptOutputType that is not supported. |
| ECLTransactionUninitializedDefaultCurrencyCode |
| ECLTransactionAmountInvalid |
| Server return that the amount was invalid, refund amount too much, or cash back amount was invalid. Use ‘error.getDebugDescription()’ to see exact reason. |
| ECLTransactionAmountDoesNotApply |
| Not used. |
| ECLTransactionAmountNotConfirmed |
| Not used. |
| ECLTransactionTaxAmountExceedsBaseAmount |
| Tried to send base amount as tax inclusive, but tax amount exceeded base amount. |
| ECLTransactionEmvApplicationBlocked |
| ECLTransactionEmvApplicationFailed |
| EMV Application Blocked by Reader. More… |
| ECLTransactionClientNeedsUpdate |
| Not used. |
| ECLTransactionInProgress |
| Tried to use transaction in card reader state machine and one was already in progress. |
| ECLTransactionIncorrectContinuation |
| Card reader state machine received information that is not correct for state. |
| ECLTransactionFormTypeNotSupported |
| Not used. |
| ECLTransactionLoginBusy |
| Not used for converge. |
| ECLTransactionReversalFailed |
| Reversal was needed for EMV transaction but commerce failed to reverse it. |
| ECLTransactionOfflineNotSupported |
| Commerce does not support offline authorization. |
| ECLTransactionCardRemoved |
| EMV Card was removed in middle of transaction. |
| ECLTransactionCardNeedsRemoval |
| EMV Card needs to be removed. |
| ECLTransactionCardNotSupported |
| Card used is not supported. |
| ECLTransactionCardApplicationBlocked |
| EMV card application is blocked. |
| ECLTransactionCardApplicationExpired |
| EMV card application is expired. |
| ECLTransactionCardholderVerificationFailed |
| Card holder verification failed. |
| ECLTransactionCardholderVerificationNotSpecified |
| No card holder verification. Unable to continue. |
| ECLTransactionInvalidCredentials |
| Server returned that credentials are invalid. See nested error for more specific reason. |
| ECLTransactionInvalidTerminalConfiguration |
| Terminal configuration is invalid. See nested error for more specific reason. |
| ECLTransactionWrongRecipient |
| not used for converge |
| ECLTransactionResponseBad |
| Server returned data we are unable to parse. Log ‘error.getDebugDescription()’ to see more info. |
| ECLTransactionInvalidTransactionRequest |
| Server returned that our request contains invalid data. Log ‘error.getDebugDescription()’ to see more info. |
| ECLTransactionInvalidTransactionForAccount |
| Server returned that account or terminal is not configured for this transaction. |
| ECLTransactionSignatureServerRejected |
| Server returned that signature was too large, already had signature, or not allowed for account’s market segment. See nested error for specific error. Log ‘error.getDebugDescription()’ to see more info. |
| ECLTransactionCardReaderNoneAvailable |
| Commerce is unable to find a card reader to use. Make sure reader is paired and connected. |
| ECLTransactionCardReaderMultipleAvailable |
| Not used for converge. |
| ECLTransactionFailedDueToRule |
| Transaction state on server shows it failed to settle due to a fraud, pre-auth, or post-auth rule. See nested error for specific error. Log ‘error.getDebugDescription()’ to see more info. |
| ECLTransactionEmailInvalid |
| Email was invalid. |
| ECLTransactionEmailNotConfigured |
| Server returned that the account or terminal is not configured to send email receipts. |
| ECLTransactionTipNotAllowedForAccount |
| Server returned market segment for account does not allow gratuity. |
| ECLTransactionInvalidCardNumber |
| Server returned card number provided is invalid. |
| ECLTransactionInvalidExpiry |
| Server returned expiration date for card is invalid. |
| ECLTransactionMissingCvv2 |
| Server returned cvv2 is missing. |
| ECLTransactionInvalidCvv2 |
| Server returned cvv2 provided is invalid. |
| ECLTransactionInvalidCardPresentIndicator |
| Server returned that the card present indicator sent is invalid. |
| ECLTransactionDescriptionLimitExceeded |
| Server returned that the description (note) provided is too long. |
| ECLTransactionSignatureCancelled |
| ECLTransactionRequiresPin |
| Server returned that a PIN is required for this card. |
| ECLTransactionAvsZipCharLimitExceeded |
| Server returned AVS zip code too long. |
| ECLTransactionAvsAddressCharLimitExceeded |
| Server returned AVS address too long. |
| ECLTransactionMerchantReferenceIdCharLimitExceeded |
| Server returned merchant reference ID too long. |
| ECLTransactionFieldTooLong |
| Server returned field too long. |
| ECLTransactionSessionKeyRetrievalFailed |
| Failed to retrieve session keys (e.g., PIN and MAC) from server. |
| ECLPrinterOffline |
| Unable to print due to printer being offline. |
| ECLPrinterCoverOpen |
| Unable to print due to cover being open. |
| ECLPrinterPaperEmpty |
| Unable to print due to no paper being available. |
| ECLPrinterUnableToOpenPort |
| Unable to print due because Commerce cannot open port to printer. |
| ECLPrinterPortTimeOut |
| Unable to print due because Commerce timed out opening port to printer. |
| ECLPrinterCommunicationFailure |
| Unable to print due because Commerce had communication problem with printer. |
| ECLPrinterBadFormatting |
| Problem printing formatted data. |
| ECLCardReaderNotConnected |
| Card reader is not connected. |
| ECLCardReaderMustFind |
| Not used. |
| ECLCardReaderCannotConfigure |
| Not used for converge. |
| ECLCardReaderCannotConnect |
| Unable to connect to card reader. |
| ECLCardReaderConnectTimeout |
| Timed out connecting to card reader. |
| ECLCardReaderCannotSelect |
| Not used for converge. |
| ECLCardReaderCommunicationProblem |
| Error communicating with card reader. |
| ECLCardReaderNoneSelected |
| Not used. |
| ECLCardReaderRebootRequired |
| Card reader needs to be rebooted. Commerce was unable to automatically reboot it. |
| ECLCardReaderRebootAutomatic |
| Card reader is automatically being rebooted and unable to continue transaction. |
| ECLCardReaderUnavailable |
| card reader is locked |
| ECLCardReaderFailedToReadCard |
| Bad read of card on card reader. |
| ECLCardReaderAudioVolumeTooLow |
| Not used. |
| ECLCardReaderError |
| General card reader error. |
| ECLCardReaderNotInitialized |
| card reader has not initialized |
| ECLCardReaderCannotInitialize |
| Not used. |
| ECLCardReaderDisconnecting |
| Card reader disconnecting so unable to continue. |
| ECLCardReaderDisconnected |
| Card reader disconnected so unable to continue. |
| ECLCardReaderUpdating |
| Card reader updating so unable to continue. |
| ECLCardReaderUpdatingKeys |
| Card reader updating keys so unable to continue. |
| ECLCardReaderNoCard |
| Not used. |
| ECLCardReaderTerminated |
| Not used. |
| ECLCardReaderNeedsUpdate |
| Card reader does not meet minimum application version requirement. |
| ECLCardReaderEncryptionFailure |
| Card reader encryption failed. |
| ECLCardReaderCanceled |
| On card reader, user pushed cancel or ui timed out. |
| ECLCardReaderInvalidPrompt |
| Tried to display invalid form or prompt on card reader. |
| ECLCardReaderNoSignatureData |
| No signature data available. |
| ECLCardReaderSignatureError |
| Card reader signature error. |
| ECLCardReaderNotPaired |
| Card reader not paired. |
| ECLCardReaderPinAccountMismatch |
| Account number mismatch for PIN on card reader. |
| ECLCardReaderPinNoAccount |
| No account number provided for PIN on card reader. |
| ECLCardReaderPinInvalidKeyIndex |
| Invalid key index on card reader. |
| ECLCardReaderPinTooShort |
| Too short PIN provided on card reader. |
| ECLCardReaderPinRequestDeclined |
| PIN request declined on card reader. |
| ECLCardReaderIsResetting |
| Card reader is resetting so unable to continue. |
| ECLCardReaderInvalidMessage |
| Not used. |
| ECLCardReaderFormTypeNotSupported |
| Not used. |
| ECLCardReaderFormDeclined |
| Unable to show form. |
| ECLCardReaderFormError |
| Unable to show form. |
| ECLCardReaderAmountVerificationError |
| Amount verification error on card reader. |
| ECLCardReaderAmountTooLarge |
| Transaction amount is too large for card reader (> 999999999L) |
| ECLCardReaderAmountTooSmall |
| Amount was too small on the card reader. |
| ECLCardReaderKeysUpdateNotProvided |
| Update keys data provided is invalid. |
| ECLCardReaderWriteKeysFileFailed |
| Unable to write keys file. |
| ECLCardReaderTimeOut |
| Card Reader timed out. |
| ECLCardReaderCannotAcceptCards |
| None of the card entry modes provided are available on card reader. |
| ECLCardReaderCardDataInvalid |
| Card data provided is invalid (and maybe fallback is not allowed) |
| ECLCardReaderUnsupportedFeature |
| An unsupported feature was tried for the card reader. |
| ECLCardReaderSearchInProgress |
| findDevices was called when a search was already in progress |
| ECLCardReaderEmvTlvTranslationFailure |
| unable to parse tlv data |
| ECLCardReaderConfigurationUpdateFailed |
| Error writing update to card reader. |
| ECLCardReaderMaxCardReadsExceeded |
| Maximum number of reads for this transaction tried. |
| ECLCardReaderModelNotSupported |
| ECLCardReaderInvalidConfigurationForUpdatingKeys |
| Keys installed on card reader are invalid. |
| ECLCardReaderBatteryLow |
| Battery on card reader is too low. |
| ECLCardReaderUnsupportedCardEntryType |
| Unsupported card entry type for card read. |
| ECLCardReaderMacValueCalculationFailure |
| MAC Value calculation failed (general error) on the card reader. |
| ECLCardReaderMacValueCalculationSecurityAppError |
| MAC Value calculation failed (security app error) on the card reader. |
| ECLCardReaderMacValueCalculationSessionKeyNotLoaded |
| MAC Value calculation failed (invalid session key length) on the card reader. |
| ECLCardReaderMacValueCalculationSessionKeyLengthInvalid |
| MAC Value calculation failed (invalid session key length) on the card reader. |
| ECLCardReaderMacValueVerificationFailure |
| MAC Value verification failed (general error) on the card reader. |
| ECLCardReaderMacValueVerificationSecurityAppError |
| MAC Value verification failed (security app error) on the card reader. |
| ECLCardReaderMacValueVerificationSessionKeyNotLoaded |
| MAC Value verification failed (invalid session key length) on the card reader. |
| ECLCardReaderMacValueVerificationSessionKeyLengthInvalid |
| MAC Value verification failed (invalid session key length) on the card reader. |
| ECLCardReaderPinSessionKeyLoadFailure |
| Loading of the PIN session key failed on the card reader. |
| ECLCardReaderMacSessionKeyLoadFailure |
| Loading of the MAC session key failed on the card reader. |
| ECLCardReaderOperationInProgress |
| On Demand card reader operation is currently in progress. |
| ECLCardReaderNoCardReadInProgress |
| No on-demand card read has been initiated. |
| ECLCardReaderDailyRebootTimeAlreadySet |
| Request to change V4 card reader daily reboot time failed because it is already set to requested time. |
| ECLCardReaderDailyRebootTimeInvalid |
| Request to change V4 card reader daily reboot time failed because specified time is not between 0000 and 2359. |
| ECLCardReaderDailyRebootTimeNotSupportedForDevice |
| Request to change V4 card reader reboot time failed because the device does not support it. |
| WebMisError_Failed |
| Not used for converge. |
| WebMisError_Busy |
| Not used for converge. |
| WebMisError_CouldNotCommunicate |
| Not used for converge. |
| WebMisError_SSLHandshakeFailure |
| Does your smartphone support TLS 1.2? |
| WebMisError_ServerFailure |
| Not used for converge. |
| WebMisError_NoResponseData |
| Not used for converge. |
| WebMisError_UnknownResponse |
| Not used for converge. |
| WebMisError_LogOnRequired |
| Not used for converge. |
| WebMisError_LogOnFailed |
| Not used for converge. |
| WebMisError_LogOnDisabled |
| Not used for converge. |
| WebMisError_LogOnLockedOut |
| Not used for converge. |
| WebMisError_CommunicationTimeout |
| Not used for converge. |
| WebMisError_BadRequest |
| Not used for converge. |
| WebMisError_InvalidLocale |
| Not used for converge. |
| WebMisError_Cancelled |
| Not used for converge. |
| WebMisError_ForgotPasswordUnknownError |
| Not used for converge. |
| WebMisError_InvalidEmailAddress |
| Not used for converge. |
| WebMisError_InvalidPassword |
| Not used for converge. |
| WebMisError_InvalidCurrentPassword |
| Not used for converge. |
| WebMisError_InvalidNewPasswordsDoNotMatch |
| Not used for converge. |
| WebMisError_InvalidNewPasswordNotComplex |
| Not used for converge. |
| WebMisError_InvalidNewPasswordPreviouslyUsed |
| Not used for converge. |
| ECLAccountValidationCanceled |
| Not used. |
| ECLDeviceRooted |
| Device is rooted. |
| ECLMerchantRetrievalNotSent |
| Commerce failed to send request to server for account information retrieval. |
| ECLIllegalArgument |
| Most likely a null value was passed where not allowed. See logging. |
| ECLUnableToInitialize |
| Not used. |
| ECLTransportCommunicationFailure |
| Communication issue on server. |
| ECLSignatureTransactionFailed |
| Failed to send signature for transaction to server. May want to print receipt for customer to sign. |
| ECLUnsupportedSignatureFormat |
| Server returned that the signature format is not supported. |
| ECLSecurityLibraryNotFound |
| Couldn’t find/load commerce security library. |
| ECLTlvLibraryNotFound |
| Couldn’t find/load tlv jni library. |
| ECLStringTablesNotFound |
| Couldn’t load string tables. |
| ECLNoAccount |
| Tried to create an account with invalid type or passed null for an account parameter. |
| ECLAccountInvalidCredentials |
| Failed to provide merchant, pin, and/or user id for account. |
| ECLAccountInvalidVendorInfo |
| Failed to provide vendorAppName, vendorAppVersion, and/or vendorId for account. |
| ECLRequestCanceled |
| Not used for converge. |
| ECLCannotVerifyPasswordExpiration |
| Not used for converge. |
| ECLCardPresenceNotSpecified |
| Card presence not specified for manual entry. |
| ECLInvalidAccountListener |
| ECLDeviceFailedToPair |
| ECLDevicePairingNotSupported |
| ECLDeviceAlreadyPaired |
| ECLOnDemandDisconnect |
| ECLInvalidProxyServerInfo |
| Proxy host or port missing or port is not a number. |
| ECLInvalidProxyCredentials |
| Proxy rejected the supplied credentials. |
| ECLTransactionNotRefundable |
| Transaction is not refundable. |
| ECLTransactionRefundExceedsAmountAllowed |
| Transaction is not refundable because the amount being refunded exceeds the limit. |
| ECLAccountRetrievalInProgress |
| Could not initiate request for account information while already in-progress. |
| ECLOperationNotAllowedUnsecuredChannel |
| Operation not allowed over unsecured channel. |
| ECLCheckReaderFailure |
| There was a problem executing the active command on the check reader. |
| ECLCheckReaderOperationNotSupported |
| The requested operation is not supported with the specified parameters. |
| ECLCheckReaderDuplexScanNotSupported |
| The requested operation is not supported with duplex scanning. |
| ECLCheckReaderFrankingNotSupported |
| The requested operation is not supported with franking. |
| ECLCheckReaderInUseByOtherUser |
| ECLCheckReaderCommunicationError |
| < The check reader is in use by another user More… |
| ECLCheckReaderCommandAborted |
| The active check reader command was aborted. |
| ECLCheckReaderNotConnected |
| The check reader is not connected. |
| ECLCheckReaderDisconnected |
| The check reader is disconnected. |
| ECLCardReaderRefreshStatusNotAllowed |
| Perform onDemand call RefreshStatus is not allowed. |
| ECLTransactionValidationItemQuantityMaxDecimalPlacesExceeded |
| Item quantity value exceeds the max decimal digits allowed. |
Updated November 2, 2026
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