SAP Message 06887 - The quality agreement assigned to material & is out of date

Diagnosis
No current quality assurance agreement exists for this materialsupplied by this vendor.
The quality assurance agreement is a document assigned to a qualityinfo record vendor/material. It determines that when a document such asa purchase order is outputted, the stipulations agreed between yourcompany and the vendor are included in the output.
The 'technical terms of delivery' also contain such info, but only at
the level 'material', not 'vendor/material'.

Procedure
Maintain the quality assurance agreement in the QM system.
Perform function