SAP Message AJ659 - Previous period &1-&2 UNEQUAL to budget billing period &3-&4

Diagnosis
Advance period &V1&-&V2& does not match budget billing period &V3&-&V4&
. This is however, an important prerequisite that plays a programmingrole in routine THGAS_FOR_BILLING in LEA01F01.

Procedure
INTERNAL ERROR:
INCLUDE ISU_SAP OBJECT DOKU ID TX