Follow the below steps to resolve this:
Create a new company and restore the backup data of the current financial year into the new database.
Run Year-End Processing (Y.E.P) after you've restored the database into the new company.
Go to Housekeeping, and open Year End Processing.
Enter your password to execute the process.
After Y.E.P is complete, go to Administration, open Administrative Tools, open Tools,
Select Set Opening Balance to 0, Set Last Year Figure to 0, Unlock Opening Balance, and Unlock Last Year Figure.
βNote: This will allow opening balances to be available for editing once the Year-End Audit is completed and closing balances are finalized.Continue doing current year transactions as the periods 13 to 18 have been reset back to 1 to 6 after Y.E.P..
Once auditing is done, enter the opening balance for the current year and enter adjustment entries for last year in last year's database directory.
Note: Please be informed that you can key in data up to 18 periods, hence you may continue without doing the year-end right after period 12.
