How To Fix DMCLG677 - &1 &2 already exists in a lower level object (&3 &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 677

• Message text: &1 &2 already exists in a lower level object (&3 &4)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG677 - &1 &2 already exists in a lower level object (&3 &4) ?

  The SAP error message DMCLG677 indicates that there is a conflict with the existence of an object at a lower level in the hierarchy. This typically occurs in the context of data management, particularly when dealing with master data or configuration objects in SAP.
  Cause:
  The error message DMCLG677 occurs when you attempt to create or modify an object (like a characteristic, class, or another master data entity) that already exists at a lower level in the hierarchy. The system is designed to prevent duplication or conflicts in the data structure, which is why it raises this error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Objects: Review the existing objects at the lower level (as indicated in the error message) to confirm that the object you are trying to create or modify indeed exists.
  
  
  Modify or Delete Existing Object: If the existing object is not needed, consider deleting it or modifying it to fit your requirements. Ensure that you have the necessary authorizations to perform these actions.
  
  
  Use a Different Identifier: If the object you are trying to create must coexist with the existing one, consider using a different identifier or name for the new object.
  
  
  Review Hierarchical Structure: Ensure that the hierarchical structure of your data is correctly set up. Sometimes, re-evaluating the structure can help identify why the conflict is occurring.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the type of object you are working with. This can provide insights into best practices for managing these objects.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration and data setup.
  
  
  Related Information:
  
  Transaction Codes: Depending on the type of object you are dealing with, you may need to use specific transaction codes (like SE11 for Data Dictionary objects, or SE80 for Object Navigator) to investigate the existing objects.
  Authorization Issues: Ensure that you have the necessary authorizations to view and modify the objects in question.
  Data Consistency Checks: Running data consistency checks can help identify other potential issues in your data model that may be causing conflicts.
  
  By following these steps, you should be able to identify the cause of the DMCLG677 error and implement a suitable solution.