How To Fix FKK_ID_XX_ODN049 - Unknown doc.class &1 was set in the customer-specific function module &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_ID_XX_ODN - ODN message

• Message number: 049

• Message text: Unknown doc.class &1 was set in the customer-specific function module &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_ID_XX_ODN049 - Unknown doc.class &1 was set in the customer-specific function module &2 ?

  The SAP error message FKK_ID_XX_ODN049 indicates that there is an issue with a document class that is not recognized in the context of a customer-specific function module. This typically occurs in the context of SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) when processing documents related to billing or invoicing.
  Cause:
  
  Unknown Document Class: The document class specified in the function module is not defined in the system. This could be due to a typo, a missing configuration, or an incorrect implementation of the function module.
  Custom Development Issues: If there are custom developments or enhancements in the system, the function module may not be correctly handling the document class.
  Configuration Issues: The document class may not be properly configured in the system settings, leading to it being unrecognized.
  
  Solution:
  
  
  Check Document Class Configuration:
  
  Go to the configuration settings for document classes in the relevant module (e.g., FI-CA).
  Ensure that the document class mentioned in the error message is defined and correctly configured.
  
  
  
  Review the Function Module:
  
  Identify the customer-specific function module mentioned in the error message.
  Check the implementation of the function module to ensure that it correctly handles the document class.
  Look for any hardcoded values or assumptions that may not hold true in your environment.
  
  
  
  Debugging:
  
  If you have access to the development environment, you can debug the function module to see where the error is being triggered.
  Check the input parameters and the logic that processes the document class.
  
  
  
  Consult Documentation:
  
  Review any documentation related to the custom function module to understand its intended use and any prerequisites.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with the error message details and any relevant context.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBD2 (for document class configuration) or SE80 (for accessing the function module) to investigate further.
  SAP Notes: Check the SAP Support Portal for any notes related to this error message or the specific function module.
  Custom Development Guidelines: If you have custom developments, ensure that they follow best practices for handling document classes and error management.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message FKK_ID_XX_ODN049.