If you get a 'Chart re-add necessary' message when importing opening balances or "Chart of accounts is currently out of balance" message when running a standard financial report after importing Opening Balances, do the following:
Run the Trial Balance: Debits must equal Credits and the Last Year column must total to zero.
If the Last Year column is out of balance (not zero) you will need to adjust previous year data and then re-import opening balances to the Live company.
See: Troubleshooting when the GL Trial Balance is not Balanced to help balance the Trial Balance.
If the Last Year company is also out of balance:
You'll need to go back another year, or as many years as needed and balance that prior year as per step 1.a., or
Force opening balances to balance (equal zero) by manually entering opening balances using Setups, General Ledger, Opening Balances, Enter Opening Balances.
Re-add the chart as required. Typically, the Last year company needs re-adding, but occasionally the current year as well.
To do this run the General Ledger, Reports, Financial, Standard Financial Reports, select P&L BALANCE SHEET.
Review the Standard P&L Balance Sheet:
Total Equity must equal Net Assets.
If out of balance, review the Chart List report and find which account is not adding to a total account. Every posting account must add to a Total account that eventually adds to either Net Assets or Total Equity.
Log other users out. Close all other screens and reports apart from Import Opening Balances.