How To Fix CM128 - Components for plant & not equal to operation for plant &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 128

• Message text: Components for plant & not equal to operation for plant &

What causes this issue?

You want to allocate a material component to an activity in the
standard network.

System Response

You cannot allocate a component if it has a different plant assignment
than the activity itself.

How to fix this error?

Select a component from the same plant as the activity or allocate
the component to an activity with the same plant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM128 - Components for plant & not equal to operation for plant & ?

  The SAP error message CM128 typically indicates a mismatch or inconsistency in the configuration of components for a specific plant in the context of production planning or material management. This error often arises when there is an attempt to use a component that is not valid for the specified plant or when the configuration of the component does not align with the operational requirements for that plant.
  Cause:
  
  Plant-Specific Configuration: The component may not be assigned to the specified plant in the material master or bill of materials (BOM).
  Missing Data: There may be missing or incorrect data in the BOM or routing that is causing the system to not recognize the component for the specified plant.
  Incorrect Plant Assignment: The component might be assigned to a different plant, leading to the error when trying to use it in a different context.
  Material Status: The material status of the component may restrict its use in the specified plant.
  
  Solution:
  
  Check Material Master: Verify that the component is correctly defined in the material master for the specified plant. Ensure that the plant-specific data is complete and accurate.
  Review BOM: Check the bill of materials (BOM) for the product to ensure that the component is included and correctly assigned to the relevant plant.
  Validate Routing: Ensure that the routing associated with the production order or process includes the correct components for the specified plant.
  Plant Assignment: If the component is not assigned to the correct plant, you may need to create or modify the BOM to include the component for the specified plant.
  Material Status Check: Review the material status of the component to ensure it is not restricted for use in the specified plant.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling BOM and material master issues.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CS03 (Display BOM), MM03 (Display Material), and CA03 (Display Routing) to check the relevant configurations.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  User Authorization: Ensure that you have the necessary authorizations to view and modify BOMs and material masters.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in production planning or material management.