No authorization for document value class. Document line not active.

What causes this issue?

You do not have the <GL:authorization>authorization</> required to
process the relevant document value class.

System Response

The system does not allow any processing.

How to fix this error?

Please contact your system administrator for the proper authorization.
Authorization object 'V_VBUK_FRE'
Document value class &V1&
Activity indicator &V2&
Return code &V3&

Error message extract from SAP system. Copyright SAP SE.