You cannot use the reference material for retail (MAW1 missing)

What causes this issue?

The reference material has been created with the material master for
industry, and cannot be used in retail.

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?

Choose a retail material as the reference material.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.