Experts kindly throw light on precautions/implications of transitioning from 99 payroll to AE. i had run 6months of payroll with molga 99 and then wanted to test for AE by changing config PA compcode mapping from 99 to ae wagetype mapping etc 1.first thing i noticed was deletion of payresults -system throws error(Country grouping "99" is not correct (you have chosen "AE") Message no. PN330 Diagnosis You have started the program for a specific country grouping. However, the country grouping for the personnel number stored in "VERSC" differs from the one you have entered on the selection screen.) 2.Retro changes doesnt seems to be picked in the schema please note the schema v testing using is the X000 copy and not AE delivered schema(AE00). kindly throw light and it will be very helpful if you could share your experiences..thanks no worries kg