How To Fix LCM_CATEGORY042 - Selected Category model is used in another root category

SAP Error Message - Details

• Message type: E = Error

• Message class: LCM_CATEGORY - Messages for LCM Categories

• Message number: 042

• Message text: Selected Category model is used in another root category

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LCM_CATEGORY042 - Selected Category model is used in another root category ?

  The SAP error message LCM_CATEGORY042 indicates that the selected category model is being used in another root category. This typically occurs in the context of SAP's Master Data Governance (MDG) or similar applications where category models are used to define the structure of master data.
  Cause:
  The error arises when you attempt to modify or delete a category model that is currently associated with another root category. In SAP, a category model defines the attributes and structure of a category, and it can only be linked to one root category at a time. If you try to perform an action on a category model that is already in use, the system will prevent this to maintain data integrity.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Root Category: Determine which root category is currently using the selected category model. You can do this by checking the configuration settings in the SAP system.
  
  
  Change the Association: If you need to modify or delete the category model, you will first need to remove its association from the root category that is currently using it. This may involve:
  
  Navigating to the relevant configuration area in SAP.
  Finding the root category that is linked to the category model.
  Changing the category model association or removing it entirely.
  
  
  
  Reassign or Delete: If you need to reassign the category model to a different root category, ensure that the new root category is compatible with the category model. If you are deleting the category model, ensure that it is not required by any other root categories.
  
  
  Check Dependencies: Before making changes, check for any dependencies or references to the category model in other parts of the system to avoid breaking any links.
  
  
  Test Changes: After making the necessary changes, test to ensure that the category model can now be modified or deleted without triggering the error.
  
  
  Related Information:
  
  Documentation: Refer to SAP's official documentation for Master Data Governance or the specific module you are working with for detailed instructions on managing category models and root categories.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like MDGIMG for configuration) that can help you navigate the settings related to category models.
  Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting the SAP Community for additional assistance.
  
  By following these steps, you should be able to resolve the LCM_CATEGORY042 error and manage your category models effectively.