How To Fix CR187 - You cannot have assignments to a reference capacity

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 187

• Message text: You cannot have assignments to a reference capacity

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CR187 - You cannot have assignments to a reference capacity ?

  The SAP error message CR187, "You cannot have assignments to a reference capacity," typically occurs in the context of capacity planning and management within SAP's Production Planning (PP) or Capacity Planning modules. This error indicates that there is an attempt to assign a task or operation to a reference capacity, which is not allowed.
  Cause:
  
  Reference Capacity: In SAP, a reference capacity is a template or model that is used to define the characteristics of a capacity (like a work center) but is not intended to be directly assigned tasks or operations. It serves as a basis for creating actual capacities.
  Incorrect Assignment: The error arises when there is an attempt to assign a production order, operation, or task to a reference capacity instead of an actual capacity.
  Configuration Issues: There may be configuration issues in the work center or capacity planning settings that lead to this error.
  
  Solution:
  
  Check Assignments: Review the assignments in the production order or operation. Ensure that you are assigning to an actual capacity (work center) rather than a reference capacity.
  Use Actual Capacities: If you need to assign tasks, make sure to use the actual capacities that are derived from the reference capacity, rather than the reference itself.
  Review Work Center Configuration: Go to the work center configuration in SAP and ensure that the reference capacity is set up correctly. You may need to create actual capacities based on the reference capacity.
  Adjust Planning Parameters: If necessary, adjust the planning parameters or settings in the capacity planning module to ensure that assignments are made correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on capacity planning and work center configuration.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CR01 (Create Work Center), CR02 (Change Work Center), and CR03 (Display Work Center) to manage work centers and capacities.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Training and Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in production planning and capacity management.
  
  By following these steps, you should be able to resolve the CR187 error and ensure that your capacity assignments are correctly configured in SAP.