Diagnosis
Processing terminated because the number of depreciation periods incompany code &V1& has been changed. However, you cannot change thenumber of periods in your live (productive) system.

Procedure
Change the depreciation periods back to the original value in companycode &V1&. The number of depreciation periods is determined by thefiscal year version and the use of half-periods. At least one of theseparameters was changed.
If you want to change your system so that you can now work withhalf-periods, you have to use depreciation keys with time-dependentperiod control in that company code.
If you need to make general changes to the number of periods forcalculating depreciation per fiscal year, you will have to consult yoursystem administrator.