Opening Balance and Closing Balance Not Matching - General Ledger

Hi,

I have a scenario whereby the Closing Balance of a specific period does not match with the immediate next period opening balance.

Example :-

Closing balance for period 201902 = 100  and

Opening balance for 201903 = 120

This issue was observed when the client was auditing his previous financial year, and the above issue only happened with some ledger accounts to be specific his bank ledger accounts.

This difference is observed when previewing the "Detail General Ledger" and when previewing the "Trial Balance" for the specific account it shows the Closing balance for 201902 = 120 even though the General Ledger reported 100 for the specific period closing balance.

i.e "Detail General Ledger" reports different figures from the "Trial Balance" for the specific account.

Any suggestions on this matter?

Thanks.