How To Fix /MOC/CONFIG034 - Object category &1 is already assigned to another object type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /MOC/CONFIG -

• Message number: 034

• Message text: Object category &1 is already assigned to another object type &2

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 /MOC/CONFIG034 - Object category &1 is already assigned to another object type &2 ?

  The SAP error message /MOC/CONFIG034 indicates that an object category is already assigned to another object type, which means that there is a conflict in the assignment of object categories within the SAP system. This typically occurs in the context of Master Object Configuration (MOC) or similar configuration settings where object categories are defined and assigned to specific object types.
  Cause:
  
  Duplicate Assignment: The object category you are trying to assign is already linked to a different object type. Each object category should be unique to a specific object type.
  Configuration Error: There may be a misconfiguration in the system where the same object category is mistakenly assigned to multiple object types.
  Data Integrity Issues: There could be issues with data integrity in the configuration tables, leading to conflicts.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables (e.g., /MOC/OBJECT_CATEGORY) to see which object types are currently assigned to the object category in question.
  
  
  
  Modify Assignments:
  
  If you find that the object category is indeed assigned to another object type, you will need to either:
  
  Change the assignment of the object category to the desired object type.
  Create a new object category if the existing one cannot be reassigned.
  
  
  
  
  
  Consult Documentation: 
  
  Review the configuration documentation or guidelines for your specific SAP module to ensure that you are following the correct procedures for assigning object categories.
  
  
  
  Check for Customizations: 
  
  If your SAP system has custom developments or enhancements, check if any custom logic is affecting the assignment of object categories.
  
  
  
  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: Familiarize yourself with relevant transaction codes such as SPRO (SAP Reference IMG) for configuration settings, and SE11 or SE16 for data inspection.
  SAP Notes: Search for SAP Notes related to this error message for any known issues or patches that may address the problem.
  Documentation: Review the SAP Help Portal or specific module documentation for guidelines on object category assignments.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.