Diagnosis
You attempted to create a budget billing plan for contract &V1&.
This is not possible because no relevant budget billing plan items forthe tax code of billing document &V4& can be created for this contractin budget billing period &v2& to &V3&.
The tax code in the tax determination table may have been changed afterbilling was completed.

Procedure
Using the tax determination code from the billing document, determinewhether another tax code can be found.