How To Fix OQ170 - Material &1 is assigned to location &2 in multiple handling groups

SAP Error Message - Details

• Message type: E = Error

• Message class: OQ - IS-Oil : Message pool Service Station Retailing

• Message number: 170

• Message text: Material &1 is assigned to location &2 in multiple handling groups

What causes this issue?

Each material needs to be linked to a location uniquely via one
material handling group.
However the material &V1& has been assigned to location &V2& in more
than one material handling groups.
The handling group is specified in the location master record per
Business Type.

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?

Please correct the location master record for &V2& or the assigned
material handling groups.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OQ170 - Material &1 is assigned to location &2 in multiple handling groups ?

  The SAP error message OQ170 indicates that a specific material (denoted as &1) is assigned to a location (denoted as &2) in multiple handling groups. This situation typically arises in the context of warehouse management or inventory management within SAP, where materials are organized and managed based on handling groups for efficient storage and retrieval.
  Cause:
  
  Multiple Assignments: The primary cause of this error is that the same material has been assigned to more than one handling group for the same location. This can happen due to incorrect data entry or configuration in the system.
  Configuration Issues: There may be issues in the configuration of handling groups in the warehouse management settings, leading to conflicts in material assignments.
  Data Migration Issues: If data has been migrated from another system or if there have been recent changes in the handling group setup, inconsistencies may arise.
  
  Solution:
  
  Check Assignments: Review the handling group assignments for the material in question. You can do this by navigating to the relevant transaction codes (e.g., MM02 for material master or LX02 for warehouse management) and checking the handling group settings.
  Remove Duplicate Assignments: If you find that the material is indeed assigned to multiple handling groups for the same location, you will need to remove the duplicate assignment. This can be done by editing the material master data and ensuring that each material is only assigned to one handling group per location.
  Consult Configuration: If the issue persists, consult with your SAP configuration team to ensure that the handling groups are set up correctly and that there are no conflicting settings.
  Data Consistency Check: Perform a data consistency check to identify any other potential issues in the material and handling group assignments.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), MM03 (Display Material), and LX02 (Warehouse Management).
  SAP Notes: Check SAP Notes for any known issues or patches related to handling groups and material assignments.
  Documentation: Review SAP documentation on warehouse management and handling groups for best practices and guidelines on managing material assignments effectively.
  User Roles: Ensure that users have the appropriate roles and authorizations to make changes to material and handling group assignments.
  
  By following these steps, you should be able to resolve the OQ170 error and ensure that your material assignments are correctly configured in SAP.