QB Issue Resolution:

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 Issue 'How do I change the account when reviewing and accepting transactions?' available: Yes (Solved).
Source: Intuit Community forum.

How do I change the account when reviewing and accepting transactions?: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for access the sub acct
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Error Recovery for access the sub acct [Canada]
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