How To Fix CM127 - You cannot allocate to another bill of material.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 127

• Message text: You cannot allocate to another bill of material.

What causes this issue?

You have already maintained component allocations in your task list and
you want to allocate additional components. However, you can only
allocate components from <ZH>one</> bill of material to <ZH>one</> task
list. You cannot make allocations from different bills of material.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM127 - You cannot allocate to another bill of material. ?

  The SAP error message CM127 ("You cannot allocate to another bill of material") typically occurs when there is an attempt to allocate components to a bill of materials (BOM) that is not allowed due to certain constraints or settings in the system. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Incorrect BOM Reference: The system may be trying to allocate components to a BOM that is not the correct or active version.
  BOM Status: The BOM may be in a status that does not allow changes or allocations (e.g., it may be marked as inactive).
  Component Assignment: The components you are trying to allocate may not be assigned to the BOM in question.
  Plant or Location Issues: The BOM may be specific to a certain plant or location, and the allocation is being attempted in a different context.
  Authorization Issues: The user may not have the necessary permissions to make changes to the BOM or allocate components.
  
  Solutions:
  
  Check BOM Reference: Verify that you are referencing the correct BOM and that it is the active version.
  Review BOM Status: Ensure that the BOM is in a status that allows for allocations. If it is inactive, you may need to activate it.
  Validate Component Assignment: Check if the components you are trying to allocate are correctly assigned to the BOM. You can do this by reviewing the BOM in the SAP system.
  Confirm Plant/Location: Make sure that the allocation is being attempted in the correct plant or location context that corresponds to the BOM.
  User Authorizations: Check if the user has the necessary authorizations to perform the allocation. If not, contact your SAP security administrator to grant the required permissions.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) to manage BOMs.
  BOM Configuration: Review the configuration settings for BOMs in your SAP system to ensure they align with your business processes.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to BOM allocations and error CM127.
  Documentation: Refer to SAP documentation or help files for detailed information on BOM management and error handling.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a technical consultant who can provide further assistance based on your specific system configuration and business processes.