Don’t use the “opening” or “Beginning Balance” function at all.
Depending on which accounts, you would use a Journal Entry, or transactions, such as AP for open bills and AR for open invoices.
We don’t know how you are using Class, of course, for this file.
Resolution for 'balances by class issue: 'how to enter opening balances by class?' available: Yes.
The balances by class issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the balances by class issue yourself by looking for a resolution described in the article. If it is a complex balances by class issue or you are unable to solve the issue, you may contact us by clicking here or by using other balances by class support options.
For more information about resolving issues related to balances by class in Quickbooks/QBO or to get support for the issue 'how to enter opening balances by class?', click the link below: