If you click on the transaction itself, you should be able to access the sub acct. in that edit screen in the bank feed tray.
Resolution for 'access the sub acct issue: 'How do I change the account when reviewing and accepting transactions?' available: Yes.
The access the sub acct 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 access the sub acct issue yourself by looking for a resolution described in the article. If it is a complex access the sub acct issue or you are unable to solve the issue, you may contact us by clicking here or by using other access the sub acct support options.
For more information about resolving issues related to access the sub acct in Quickbooks/QBO or to get support for the issue 'How do I change the account when reviewing and accepting transactions?', click the link below: