How To Fix CM125 - New allocation to a referenced operation is not possible.

CM125 - Overview

• Message type: E = Error

• Message class: CM - Task list messages: Material component allocations

• Message number: 125

• Message text: New allocation to a referenced operation is not possible.

What causes this issue?

The operation to which you want to allocate the material component is
referenced from a reference operation set. You cannot allocate
material components to referenced operations.

How to fix this error?

If you want to allocate a material component to the operation, you can
do this by maintaining the reference operation set. Note, however,
that this change is valid for all routings containing a reference to
the operation set.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM125 - New allocation to a referenced operation is not possible. ?

  The SAP error message CM125 ("New allocation to a referenced operation is not possible") typically occurs in the context of production planning and control, particularly when dealing with capacity planning and work center allocations. This error indicates that there is an issue with trying to allocate resources or operations that are already referenced or linked to another operation or process.
  Causes:
  
  Existing Allocations: The operation you are trying to allocate resources to may already have existing allocations that prevent new allocations.
  Reference Operations: The operation may be a referenced operation in another process or order, which restricts changes to its allocations.
  Status of the Operation: The operation might be in a status that does not allow for new allocations (e.g., completed, closed, or technically completed).
  
  Configuration Issues: There may be configuration settings in the system that restrict allocations under certain conditions.
  
  Solutions:
  
  Check Existing Allocations: Review the current allocations for the operation in question. If there are