Diagnosis
The billing period &V1& in the register is not thesame as the billing period &V2& in the meter reading result.
The object here (equi number, register, date) is &V3& and the meterreading document is &V4&.
Since changes to the billing period once it has been specified in thedivision category are not allowed at present, the billing period for theregister, which is determined from its division category, must be thesame as the billing period for each meter reading for this register.

Procedure
Contact SAP to determine the exact cause of this error.