SAP Message 6E071 - Posting date before &2 not permitted

Diagnosis
During the contract currency changeover, the system performs currencyswap postings for the balance sheet account. In this case, the postingdate for the currency swap postings (&V1) is before the posting date ofthe last posting to the balance sheet account. This is not permitted.

System Response
Processing is terminated.

Procedure
Enter &V2& or a later date as the posting date.