How To Fix DMCLG736 - &1-&2: Check not possible because key is not a field of the domain

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 736

• Message text: &1-&2: Check not possible because key is not a field of the domain

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG736 - &1-&2: Check not possible because key is not a field of the domain ?

  The SAP error message DMCLG736 indicates that there is an issue with a key field in a domain that is being referenced in a check operation. Specifically, the error message states that the check is not possible because the key is not a field of the domain. This typically occurs in the context of data modeling or when working with domain checks in SAP.
  Cause:
  
  Incorrect Key Definition: The key field specified in the check is not defined as a field within the domain. This could happen if the key field is misspelled, or if it has not been included in the domain definition.
  Domain Configuration Issues: The domain may not be properly configured to include the necessary fields, or the field types may not match the expected types for the check.
  Data Model Changes: If there have been recent changes to the data model, such as adding or removing fields, it may lead to inconsistencies that trigger this error.
  
  Solution:
  
  Check Domain Definition: Go to the domain definition in the SAP Data Dictionary (transaction code SE11) and verify that the key field is correctly defined as part of the domain.
  Correct Key Field Reference: Ensure that the key field being referenced in the check is spelled correctly and matches the field names defined in the domain.
  Update Data Model: If there have been changes to the data model, ensure that all references to fields and keys are updated accordingly. This may involve adjusting the data model or regenerating related objects.
  Consult Documentation: Review any relevant documentation or notes related to the specific domain and its usage to ensure compliance with expected configurations.
  
  Related Information:
  
  Transaction Codes: Use SE11 (Data Dictionary) to check domain definitions and SE14 (Database Utility) to check for inconsistencies in database objects.
  SAP Notes: Search for SAP Notes related to DMCLG736 for any specific patches or updates that may address known issues.
  Debugging: If the issue persists, consider using the debugger to trace the execution and identify where the check is failing.
  
  If you continue to experience issues after following these steps, it may be beneficial to consult with your SAP Basis or development team for further assistance.