How To Fix CR335 - Reference to a shift definition: you cannot change

SAP Error Message - Details

• Message type: E = Error

• Message class: CR - (1,099) Work Center; (100,200) Capacity

• Message number: 335

• Message text: Reference to a shift definition: you cannot change

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CR335 - Reference to a shift definition: you cannot change ?

  The SAP error message CR335, which states "Reference to a shift definition: you cannot change," typically occurs in the context of shift planning or work schedule management within the SAP system. This error indicates that you are trying to modify a shift definition that is already in use or has been referenced in other configurations, making it immutable.
  Cause:
  
  Shift Definition in Use: The shift definition you are trying to change is currently assigned to one or more employees, work schedules, or other planning elements.
  Locked Configuration: The shift definition may be locked due to ongoing processes or configurations that prevent changes.
  Authorization Issues: You may not have the necessary permissions to modify the shift definition.
  
  Solution:
  
  
  Check Assignments: Review the assignments of the shift definition. If it is assigned to employees or work schedules, you will need to remove those assignments before making changes.
  
  Navigate to the relevant transaction (e.g., PT01 for shift planning) and check where the shift is being used.
  
  
  
  Create a New Shift Definition: If the shift definition is in use and cannot be modified, consider creating a new shift definition with the desired changes instead of altering the existing one.
  
  
  Unlock the Definition: If the shift definition is locked, you may need to wait until the lock is released or consult with your system administrator to unlock it.
  
  
  Check Authorizations: Ensure that you have the necessary authorizations to make changes to shift definitions. If not, contact your SAP security administrator to request the appropriate permissions.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on managing shift definitions and understanding the implications of changes.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PT01 (Shift Planning) or PT60 (Work Schedule) to navigate the system effectively.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Forums: Engage with SAP community forums or user groups for shared experiences and solutions from other users who may have encountered the same error.
  
  By following these steps, you should be able to resolve the CR335 error and manage your shift definitions effectively.