SAP Message REITOR009 - Opt.rate for &1 - &2 causes overlappings. Change period

Diagnosis
Option rate methods for parts of the period &V1& - &V2& have alreadybeen determined. These methods are used to determine the option rates.Input tax distribution has also been carried out with these optionrates.

System Response
Since input tax determination has already been carried out with theoption rates of this interval, the system cannot automatically correctthe interval overlap.

Procedure
Change the validity date in such a way that the valid-from date of thecalculation method lies after &V3&.