Deviation between the value of the inventory subledger and the GL inventory balances
Possible reasons for deviation
Using date instead of period in the Balance by field when calling the report.
Using incorrect value in the Rate field (current/historic).
The inventory balance has not been transferred in the Period account register (PAR).
Transactions posted manually against the inventory accounts in the general ledger.
Check this by writing ATRLIST/1xxx in the program field to list the GL entries for this specific account.
To filter the list to a specific period and to manual postings, write this command in the filter field: PERIOD="YYYYMM",TRANS="*MAN*"
Minor deviations may be caused by agio.