How To Fix WC160 - Material group &2 is not assigned to store &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WC - POS interface - outbound and Tickets & Additionals

• Message number: 160

• Message text: Material group &2 is not assigned to store &1

What causes this issue?

Store &V1& was not assigned to material group &V2&. As a result, the
system cannot determine whether the material prices contain sales tax.
However, as the communication profile specifies that all material
groups are sold, it is not necessary to maintain this assignment. wird
auf der Pflege dieser Zuordnung nicht bestanden.
The system assumes that the material prices do not contain sales tax.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WC160 - Material group &2 is not assigned to store &1 ?

  The SAP error message WC160, which states "Material group &2 is not assigned to store &1," typically occurs in the context of inventory management or materials management within the SAP system. This error indicates that the specified material group is not linked to the specified store (or plant), which can prevent transactions related to that material group from being processed for that store.
  Cause:
  
  Missing Assignment: The material group has not been assigned to the store in the configuration settings.
  Incorrect Configuration: There may be an error in the configuration of the material group or store.
  Data Entry Error: The material group or store may have been incorrectly entered in the transaction.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Material Group Assignment:
  
  Go to the SAP transaction code OMD1 (or SPRO for configuration).
  Navigate to the relevant configuration path: 
  
  Logistics > Materials Management > Inventory Management > Material Master > Define Material Groups.
  
  
  Verify if the material group is assigned to the store (plant) in question.
  
  
  
  Assign Material Group to Store:
  
  If the material group is not assigned, you will need to create the assignment.
  In the same configuration area, you can add the material group to the store.
  
  
  
  Check Material Master Data:
  
  Use transaction code MM03 to view the material master data for the material in question.
  Ensure that the material group is correctly assigned in the material master record.
  
  
  
  Review User Input:
  
  Double-check the input values in the transaction that triggered the error to ensure that the correct store and material group are being used.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration steps, refer to SAP documentation or consult with your SAP Basis or MM consultant for assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  MM03 - Display Material
  OMD1 - Define Material Groups
  SPRO - Customizing (to access configuration settings)
  
  
  
  Material Group: A classification of materials that share similar characteristics, which can be used for reporting and analysis.
  
  
  Store/Plant: In SAP, a store or plant is a location where materials are stored and managed.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  
  By following these steps, you should be able to resolve the WC160 error and ensure that the material group is properly assigned to the store in your SAP system.