How To Fix M3380 - Specified material already assigned to material type &

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 380

• Message text: Specified material already assigned to material type &

What causes this issue?

You have selected the function "Create special". However,
the specified material has already been assigned to a material type
that is not the material type defined for this function.

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?

Either select the function "Create general"
or select the function "Create special" which corresponds
to the material type to which the material has already been assigned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3380 - Specified material already assigned to material type & ?

  The SAP error message M3380 indicates that a specified material is already assigned to a particular material type. This typically occurs when you attempt to create or change a material master record in a way that conflicts with existing assignments.
  Cause:
  
  Duplicate Assignment: The material you are trying to assign to a material type is already assigned to that type or another type.
  Incorrect Configuration: There may be a configuration issue in the material type settings or in the material master data.
  Data Entry Error: The user may have mistakenly entered the same material number or type.
  
  Solution:
  
  
  Check Existing Assignments:
  
  Use transaction code MM03 to display the material master record and check the current material type assignment.
  Verify if the material is already assigned to the material type you are trying to use.
  
  
  
  Change Material Type:
  
  If you need to change the material type, you may need to first delete the existing assignment. This can be done using transaction code MM02 to change the material type, but be cautious as this may affect existing data and processes.
  
  
  
  Consult Configuration:
  
  If you suspect a configuration issue, consult with your SAP configuration team to review the material type settings in the IMG (Implementation Guide) under Logistics - General > Material Master > Basic Settings > Material Types.
  
  
  
  Use Different Material Number:
  
  If the material is already assigned to a different type and you need a new material type, consider creating a new material with a different material number.
  
  
  
  Check Authorization:
  
  Ensure that you have the necessary authorizations to make changes to material types and material master records.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MM04: Display Changes
  
  
  Material Types: Understand the different material types and their characteristics in your SAP system, as they dictate how materials are managed and processed.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or bugs related to material types and assignments.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further troubleshooting.