How To Fix FINS_REV_REC121 - The assignment source &1 for on account processing used inappropriately

SAP Error Message - Details

• Message type: E = Error

• Message class: FINS_REV_REC - Event Based revenue recognition

• Message number: 121

• Message text: The assignment source &1 for on account processing used inappropriately

What causes this issue?

If you are using an assignment source for on account processing, it must
be assigned to the same value usage throughout the whole customizing:
usage 107 (On-Account Utilized) or 207 (On-Account Issued).

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_REV_REC121 - The assignment source &1 for on account processing used inappropriately ?

  The SAP error message FINS_REV_REC121 indicates that there is an issue with the assignment source used in on-account processing. This error typically arises in the context of revenue recognition or financial accounting when the system detects that the assignment source is not being used correctly.
  Cause:
  The error can occur due to several reasons, including:
  
  Incorrect Assignment Source: The assignment source specified in the transaction does not match the expected values defined in the configuration.
  Configuration Issues: The settings for on-account processing or revenue recognition may not be properly configured in the system.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the relevant tables.
  Business Rules Violation: The transaction may violate certain business rules or conditions set in the system regarding how on-account processing should be handled.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Assignment Source: Verify the assignment source being used in the transaction. Ensure that it is valid and correctly configured in the system.
  Review Configuration: Go to the configuration settings for on-account processing and revenue recognition. Ensure that all necessary settings are correctly defined.
  
  Transaction codes like SPRO can be used to access configuration settings.
  
  
  Data Validation: Check the data being processed for any inconsistencies or missing information. Ensure that all required fields are filled out correctly.
  Consult Documentation: Review SAP documentation or notes related to the error message for any specific guidance or updates.
  Test with Different Data: If possible, try processing a different transaction with a known good assignment source to see if the error persists.
  Contact SAP Support: If the issue cannot be resolved through the above steps, consider reaching out to SAP support for further assistance. Provide them with details of the error and the context in which it occurs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB50 (General Ledger), F-28 (Incoming Payments), and others that may be involved in on-account processing.
  SAP Notes: Search for SAP Notes related to FINS_REV_REC121 for any patches or updates that may address the issue.
  User Forums: Check SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.