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

FKK_ID_XX_ODN120 - Overview

• 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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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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FKK_ID_XX_ODN120 - Details

• 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