How To Fix DMCLG512 - Conv.-obj. '&1' and '&2' have different selection parameters

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 512

• Message text: Conv.-obj. '&1' and '&2' have different selection parameters

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG512 - Conv.-obj. '&1' and '&2' have different selection parameters ?

  The SAP error message DMCLG512 indicates that there is a mismatch in the selection parameters between two conversion objects. This typically occurs during data migration or data transfer processes where two objects are expected to have compatible selection criteria, but they do not.
  Cause:
  The error arises when:
  
  Two conversion objects (e.g., data sources, data targets) are being compared or processed together, but they have different selection parameters defined.
  This can happen if the configuration of the conversion objects was not aligned properly, or if there were changes made to one of the objects that were not reflected in the other.
  
  Solution:
  To resolve the DMCLG512 error, you can follow these steps:
  
  
  Check Selection Parameters: 
  
  Review the selection parameters of both conversion objects involved in the error. Ensure that they are consistent and compatible.
  You can do this by navigating to the relevant transaction codes (like SE11 for Data Dictionary or SE80 for Object Navigator) and checking the definitions of the objects.
  
  
  
  Align Parameters:
  
  If you find discrepancies, modify the selection parameters of one of the objects to match the other. This may involve adding, removing, or changing parameters to ensure they are the same.
  
  
  
  Re-Test the Process:
  
  After making the necessary adjustments, re-run the process that triggered the error to see if the issue is resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct selection parameters, refer to the SAP documentation or consult with a colleague who has experience with the specific conversion objects.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as sometimes bugs related to such errors are fixed in newer versions.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking and aligning the parameters, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE80, and SE37 (for function modules) to investigate the conversion objects.
  Data Migration Tools: If you are using specific data migration tools (like SAP Data Services or LSMW), check their documentation for any specific requirements regarding selection parameters.
  SAP Community: Engage with the SAP Community forums where you can find discussions and solutions related to similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the DMCLG512 error in your SAP system.