How To Fix MM033 - Ref. material for consumption already assigned to material & in plant &

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 033

• Message text: Ref. material for consumption already assigned to material & in plant &

What causes this issue?

You wanted to create or change a material and assign material &V1& in
plant &V2& to it as a reference material for consumption. However, a
reference material for consumption is already assigned to material &V1&
in plant &V2&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

To assign material &V1& in plant &V2& as a reference material for
consumption to the material you are processing, no other reference
material for consumption must be assigned to material &V1& in plant
&V2&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM033 - Ref. material for consumption already assigned to material & in plant & ?

  The SAP error message MM033 indicates that a reference material for consumption has already been assigned to a specific material in a particular plant. This typically occurs in the context of materials management when trying to assign a reference material to another material that is already linked to it.
  Cause:
  
  Existing Assignment: The reference material you are trying to assign is already linked to another material in the specified plant.
  Data Entry Error: There may be a mistake in the material number or plant code being used.
  Configuration Issues: The system may have been configured in a way that restricts multiple assignments of reference materials.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Use transaction codes like MM03 (Display Material) to check the existing assignments for the reference material in the specified plant.
  Verify if the reference material is already assigned to another material.
  
  
  
  Change the Assignment:
  
  If you need to assign the reference material to a different material, you may need to first remove the existing assignment. This can typically be done in the material master data using transaction MM02 (Change Material).
  Navigate to the relevant views and remove the assignment.
  
  
  
  Use a Different Reference Material: 
  
  If the reference material is already in use and cannot be unassigned, consider using a different reference material that is not currently assigned.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or consult with your SAP support team for specific guidelines on handling reference materials and assignments.
  
  
  
  Check User Authorizations: 
  
  Ensure that you have the necessary authorizations to make changes to material assignments.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MM04: Display Material Change Documents
  
  
  Material Master Views: Familiarize yourself with the relevant views in the material master that pertain to the reference material assignment.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.