I have decided to collect my experiences from SAP HCM implementation projects in my country. I will categories the issue and I would dedicate the first part to the most important issue - DATE is Iranian calendar(Shamsi calendar), a non-Gregorian calendar.
1. Payroll and time management periods.
There is problem with Iranian calendar with some version of SAP Kernel. I recommend to install at least release 7.02 of SAP_BASIS component with level 0007 to avoid this issue. The problem comes from method CONV_YEAR_EXT_TO_INT of program LKGJHU01.
Correct sytem:
The code which has defect(s):
