How To Fix WU644 - Reference plant &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 644

• Message text: Reference plant &1 does not exist

What causes this issue?

Plant &v1& is the reference plant for plant group &v2& in the reference
promotion. This plant no longer exists.

System Response

Plant group &v2& is copied to the new promotion without a reference
plant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU644 - Reference plant &1 does not exist ?

  The SAP error message WU644, which states "Reference plant &1 does not exist," typically occurs in the context of materials management or production planning when the system is unable to find a specified reference plant in the database. This can happen in various scenarios, such as when creating or modifying material master records, production orders, or other related transactions.
  Cause:
  
  Non-Existent Plant: The reference plant specified in the transaction does not exist in the system. This could be due to a typo in the plant code or the plant not being created in the system.
  Plant Deactivation: The plant may exist but could be inactive or not properly configured in the system.
  Authorization Issues: The user may not have the necessary authorizations to view or access the specified plant.
  Configuration Issues: There may be issues with the configuration settings in the system that prevent the plant from being recognized.
  
  Solution:
  
  
  Check Plant Existence:
  
  Go to the transaction code OX10 (or SPRO -> Enterprise Structure -> Definition -> Logistics - General -> Define, copy, delete, check plant) to verify if the plant exists in the system.
  Ensure that the plant code entered in the transaction matches the existing plant codes.
  
  
  
  Activate Plant:
  
  If the plant exists but is inactive, you may need to activate it. This can also be done in the configuration settings.
  
  
  
  Review User Authorizations:
  
  Check if the user has the necessary authorizations to access the plant. This can be done by reviewing the user roles and authorizations in transaction SU01.
  
  
  
  Correct Configuration:
  
  If there are configuration issues, consult with your SAP Basis or configuration team to ensure that the plant is properly set up in the system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional context on the error message and related transactions.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and CO01 (Create Production Order) where this error might occur.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Community forums for further assistance.
  
  By following these steps, you should be able to identify the cause of the WU644 error and implement the appropriate solution.