How To Fix STGR180 - Plant &1 is already a reference plant under class &2

SAP Error Message - Details

• Message type: E = Error

• Message class: STGR - Hold store grouping messages

• Message number: 180

• Message text: Plant &1 is already a reference plant under class &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 STGR180 - Plant &1 is already a reference plant under class &2 ?

  The SAP error message STGR180 indicates that a specific plant (denoted as &1) is already designated as a reference plant for a particular class (denoted as &2). This situation typically arises when you are trying to assign a plant to a class that already has a reference plant assigned to it.
  Cause:
  
  Existing Reference Plant: The plant you are trying to assign is already set as a reference plant for the specified class.
  Data Integrity: SAP enforces data integrity rules to prevent multiple reference plants for the same class, which can lead to confusion and data inconsistencies.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Go to the relevant transaction (e.g., CL02 for class maintenance) and check the class to see which plant is currently set as the reference plant.
  If you need to change the reference plant, you may need to remove the existing reference assignment first.
  
  
  
  Change Reference Plant:
  
  If you want to assign a different plant as the reference plant, you can do so by:
  
  Navigating to the class in question.
  Removing the current reference plant assignment.
  Assigning the new plant as the reference plant.
  
  
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to class and plant assignments to ensure you are following the correct procedures.
  
  
  
  Check Authorizations:
  
  Ensure that you have the necessary authorizations to make changes to class assignments in SAP.
  
  
  
  Contact Support:
  
  If you are unsure about making changes or if the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  CL02: Change Class
  CL03: Display Class
  CL01: Create Class
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Documentation: Review the SAP Help Portal for detailed information on class and plant management.
  
  By following these steps, you should be able to resolve the STGR180 error and successfully manage your reference plant assignments in SAP.