How To Fix SAMDT_VALIDATIONS012 - Derivation to &1 &2 is invalid,it has inbound transition/synchronizer

SAP Error Message - Details

• Message type: E = Error

• Message class: SAMDT_VALIDATIONS - Validations errors in S&AM design time

• Message number: 012

• Message text: Derivation to &1 &2 is invalid,it has inbound transition/synchronizer

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAMDT_VALIDATIONS012 - Derivation to &1 &2 is invalid,it has inbound transition/synchronizer ?

  The SAP error message SAMDT_VALIDATIONS012 indicates that there is an issue with the derivation of a specific object (denoted by &1 and &2) in the context of a data transition or synchronizer. This error typically arises in scenarios involving data modeling, especially when working with SAP Data Services or SAP BW (Business Warehouse) where data is being transformed or synchronized between different systems.
  Cause:
  
  Invalid Derivation Logic: The derivation logic defined for the object may not be valid due to incorrect mappings or transformations.
  Inbound Transition Issues: The object may have inbound transitions or synchronizers that are not properly configured, leading to conflicts or invalid states.
  Data Model Changes: Changes in the underlying data model or structure that are not reflected in the derivation logic can cause this error.
  Missing Dependencies: Required dependencies or attributes for the derivation may be missing or incorrectly defined.
  
  Solution:
  
  Review Derivation Logic: Check the derivation rules and ensure that they are correctly defined. Validate the mappings and transformations to ensure they align with the expected data model.
  Check Inbound Transitions: Investigate the inbound transitions or synchronizers associated with the object. Ensure that they are correctly configured and that there are no conflicts.
  Update Data Model: If there have been changes to the data model, update the derivation logic accordingly to reflect these changes.
  Validate Dependencies: Ensure that all required attributes and dependencies for the derivation are present and correctly defined.
  Testing: After making changes, test the derivation logic to ensure that it works as expected without triggering the error.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on data modeling, derivation logic, and error handling.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  Transaction Codes: Use relevant transaction codes (like RSA1 for BW) to access the data model and check the configurations.
  Logs and Traces: Check system logs and traces for additional details that may help in diagnosing the issue.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.