Third Party Stock count creating Mismatch between SIM & RMS stock on hand

In our environment stock count process is causing the discrepancy between RMS and SIM stock on hand. The day when stock count is authorized in SIM, sales of that particular day has not been loading in SIM. It was creating inventory adjustment records in RK_INV_ADJUSTMENT table with reason code entry as 77 and 78, whereas in RMS it is reducing sales quantity from stock on hand.

Before stock count there was no discrepancy between RMS and SIM stock on hand.

In SIM below are the system parameter -

THIRD_PARTY_STOCK_COUNTS = true

STOCK_COUNT_DEFAULT_TIMEFRAME = After Store Close