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.