How To Fix FKK_ID_XX_ODN120 - No sub-ID simulator class defined for APPLK "&1" and APPLTYP "&2"

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_ID_XX_ODN - ODN message

• Message number: 120

• Message text: No sub-ID simulator class defined for APPLK "&1" and APPLTYP "&2"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_ID_XX_ODN120 - No sub-ID simulator class defined for APPLK "&1" and APPLTYP "&2" ?

  The SAP error message FKK_ID_XX_ODN120 indicates that there is a missing configuration for a sub-ID simulator class in the context of the application type (APPLTYP) and application (APPLK) specified in the error message. This typically occurs in the context of contract accounts receivable and payable (FI-CA) or related modules where sub-IDs are used for various functionalities.
  Cause:
  
  Missing Configuration: The error usually arises when the system is trying to process a transaction that requires a specific simulator class for a sub-ID, but that class has not been defined in the system.
  Incorrect Application Type or Application Key: The application type or application key being referenced may not be correctly set up in the system.
  Custom Development: If there are custom developments or enhancements, they may not have been properly implemented or configured.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the relevant application (FI-CA or similar).
  Verify that the simulator class for the specified application type and application key is defined.
  You may need to consult the configuration documentation or your SAP Basis team to ensure that the necessary settings are in place.
  
  
  
  Define Simulator Class:
  
  If the simulator class is indeed missing, you will need to create it. This can typically be done in the customizing settings (transaction SPRO).
  Navigate to the relevant section for defining simulator classes and ensure that the class for the specified application type and application key is created.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments, review the code to ensure that it correctly references the simulator class and that it is being called appropriately.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve the issue.
  
  
  
  Testing:
  
  After making the necessary changes, perform testing to ensure that the error no longer occurs and that the functionality works as expected.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO (for configuration), SE80 (for development), or SE37 (for function modules) to investigate and resolve the issue.
  Documentation: Refer to SAP Help documentation for detailed information on configuring simulator classes and understanding the FI-CA module.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.