SAP Message M7087 - Back-posting only w. same price control (cur. mnth &, prv. mnth &)

Diagnosis
You are posting a goods movement for the previous period. The systemhas discovered that different valuation price controlindicators have been maintained for the previous period (&V2&) andthe current period (&V1&).

System Response
The above situation is not allowed and the posting will be rejected.

Procedure
There are two possible solutions:
the valuation price control in the material master record must be madethe same for both periods,
or
you must post to the current period instead of to the previous period.