QB Issue Resolution:

Unfortunately, this is indeed the situation (as described in the KB article below). Also unfortunately the Intuit developers do not troll the waters on these forums. To send feedback that they will see, in QB click on Help > Send feedback online.

http://support.quickbooks.intuit.com/support/articles/SLN41697

Resolution for Issue 'Accountants Copy Change File Undoes Client’s Bank Reconciliations.' available: Yes (Solved).
Source: Intuit Community forum.

Accountants Copy Change File Undoes Client’s Bank Reconciliations.: 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 Accountants
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