How To Fix WC128 - 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: 128

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

What causes this issue?

Store &V1& has not been assigned material group &V2&.

System Response

The record could not be prepared for material &V3& in POS - interface
outbound processing.

How to fix this error?

<DS:SIMG.W_OE_EG_WL_0225.SIMG_OWER>Maintain the assignment via plant
maintenance.</>
After displaying plant data, choose the 'Material groups' pushbutton.
If the error occurs on initialization, you must <DS:TRAN.WPMI>re-start
POS outbound</>.
If the error occurs in change mode, you do not have to take any further
action, as the data will be retransmitted next time.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WC128 - Material group &2 is not assigned to store &1 ?

  The SAP error message WC128 "Material group &2 is not assigned to store &1" typically occurs in the context of inventory management or material management when a specific material group is not linked to a particular store or location in the system. This can prevent transactions related to that material group from being processed for the specified 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 settings.
  Data Entry Error: The material group or store may have been incorrectly entered or referenced in the transaction.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Material Group Assignment:
  
  Go to the configuration settings in SAP (usually through transaction codes like SPRO).
  Navigate to the relevant section for material management and check if the material group is assigned to the store.
  If it is not