Supplier's/manufacturer's QM system no longer valid for & items

What causes this issue?

The items cannot be procured because the quality assurance system of the
supplier/manufacturer will not be valid on the planned delivery date. If
there are partial deliveries in the request for a quotation, the request
refers to these partial deliveries.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.