For this purchasing document a maximum of &1 &2 can be returned

What causes this issue?

A maximum &v1& &v2& can be returned for this purchasing document. A
return delivery of the required amount with reference to this
purchasing document is therefore not possible.

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?

Assign another purchasing document or material document to the
notification, if you want to create a return delivery for the entire
quantity with reference to a purchasing document.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.