How To Fix CM120 - You cannot delete the allocation to the referenced operation &.

CM120 - Overview

• Message type: E = Error

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

• Message number: 120

• Message text: You cannot delete the allocation to the referenced operation &.

What causes this issue?

The operation for which you want to delete the material component
allocation belongs to a referenced operation set. Allocations to
referenced operations cannot be deleted in the routing containing the
reference.

How to fix this error?

If you want to delete the allocation, you can do this by maintaining
the referenced 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 CM120 - You cannot delete the allocation to the referenced operation &. ?

  The SAP error message CM120 ("You cannot delete the allocation to the referenced operation &.") typically occurs in the context of production planning or project management when you attempt to delete an allocation (such as a resource or cost allocation) that is still being referenced by an operation in a production order or project.
  
  Cause:
  
  Active Reference: The allocation you are trying to delete is still linked to an active operation. This means that the operation is either in progress or has not been fully completed.
  Status of the Operation: The operation may have a status that prevents changes, such as being released or in process.
  Dependencies: There may be dependencies or relationships with other operations or components that prevent the deletion of the allocation.
  
  
  Solution:
  
  Check Operation Status: Verify the status of the operation to which the allocation is linked. If the operation is still active, you may need to complete or cancel it before