How To Fix CM126 - There is no admissible operation

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 126

• Message text: There is no admissible operation

What causes this issue?

You cannot allocate or reallocate a material component because there is
no operation to which a material component can be allocated or
reallocated.
This is the case, for example, if the operations have been
referenced from a reference operation set.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM126 - There is no admissible operation ?

  The SAP error message CM126 ("There is no admissible operation") typically occurs in the context of SAP's Change Management or Configuration Management modules. This error indicates that the system cannot find a valid operation or action that can be performed based on the current configuration or status of the object you are trying to work with.
  Causes:
  
  Invalid Status: The object you are trying to modify may be in a status that does not allow the operation you are attempting.
  Missing Authorizations: The user may not have the necessary authorizations to perform the operation on the object.
  Incorrect Configuration: The configuration settings for the object may not be set up correctly, leading to the operation being deemed inadmissible.
  Dependencies: There may be dependencies or prerequisites that have not been met, preventing the operation from being executed.
  
  Solutions:
  
  Check Object Status: Verify the status of the object you are trying to work with. Ensure that it is in a state that allows the operation you want to perform.
  Review Authorizations: Ensure that the user has the necessary permissions to perform the operation. This may involve checking user roles and authorizations in the SAP system.
  Configuration Review: Review the configuration settings related to the object. Make sure that all required settings are correctly configured.
  Check Dependencies: Look for any dependencies or prerequisites that need to be fulfilled before the operation can be performed. This may involve checking related objects or processes.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the operation you are trying to perform.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes related to Change Management (e.g., transaction codes for creating or modifying change requests).
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message CM126.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the CM126 error and take appropriate action to resolve it.