How To Fix /MOC/CONFIG078 - Object category &1 is already entered for object type &2 in system &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /MOC/CONFIG -

• Message number: 078

• Message text: Object category &1 is already entered for object type &2 in system &3

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /MOC/CONFIG078 - Object category &1 is already entered for object type &2 in system &3 ?

  The SAP error message /MOC/CONFIG078 indicates that there is a conflict with the configuration of object categories in the system. Specifically, it means that the object category you are trying to assign to a particular object type is already assigned in the system. This can occur in various scenarios, such as when configuring Master Data, Object Management, or other related modules.
  Cause:
  
  Duplicate Assignment: The object category you are trying to assign is already linked to the specified object type in the system.
  Configuration Error: There may be an error in the configuration settings where the same object category is mistakenly assigned to multiple object types.
  Data Migration Issues: If data has been migrated from another system, it may have resulted in duplicate entries or conflicts.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Go to the relevant configuration transaction (e.g., SPRO) and check the assignments for the object category and object type in question.
  Ensure that the object category is not already assigned to the object type you are trying to configure.
  
  
  
  Modify Configuration:
  
  If the object category is indeed already assigned, you may need to either remove the existing assignment or choose a different object category for your current configuration.
  
  
  
  Data Cleanup:
  
  If the error is due to data migration, review the data for duplicates and clean up any inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the object types and categories you are working with.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to view or modify configurations (e.g., SPRO for configuration settings).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  System Logs: Review system logs for any additional error messages or warnings that may provide more insight into the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.