How To Fix FSL_APPL012 - Error while sending the message "InvoiceDataToCheck"

SAP Error Message - Details

• Message type: E = Error

• Message class: FSL_APPL - Messages for FSL Agency Business Application

• Message number: 012

• Message text: Error while sending the message "InvoiceDataToCheck"

What causes this issue?

When it checks the header data for the agency document, the system sends
the XI message #InvoiceDataToCheck#. An error occurred while sending
this message.
Error code: &SYST-MSGV1&
Text: &SYST-MSGV2&
Context: &SYST-MSGV3&

System Response

The system did not send the message and did not check the payment refere
nce in an external system.

How to fix this error?

If you do not want the system to perform an external check, you must dea
ctivate the <ZK>Check Payment Reference Externally</> indicator in
Customizing for Full Service Leasing (Agency Business ->
<DS:SIMG.FSL_REG_ARTEN>Define Payment Types</>).
Otherwise, contact your system administrator.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FSL_APPL012 - Error while sending the message "InvoiceDataToCheck" ?

  The SAP error message FSL_APPL012 typically indicates an issue related to the processing of an invoice message, specifically when sending the message "InvoiceDataToCheck". This error can arise in various scenarios, particularly in the context of SAP's Financial Supply Chain Management (FSCM) or related modules.
  Possible Causes:
  
  
  Data Validation Issues: The data being sent in the invoice message may not meet the required validation criteria. This could include missing mandatory fields, incorrect data formats, or invalid values.
  
  
  
  Configuration Issues: There may be configuration problems in the system that prevent the message from being processed correctly. This could involve settings related to message types, output types, or communication channels.
  
  
  System Integration Issues: If the invoice message is being sent to an external system or service, there may be connectivity issues, or the external system may not be configured to accept the message.
  
  
  Authorization Issues: The user or process attempting to send the message may not have the