QB Issue Resolution:

A link to¬†@albersweb‘s awesome solution:

 

Community Solutions – Back Up Your QuickBooks before Transferring between QuickBooks Desktop Version…

Resolution for Issue 'Upgrade to QuickBooks Pro 2018 not without problems' available: Yes (Solved).
Source: Intuit Community forum.

Upgrade to QuickBooks Pro 2018 not without problems: 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 Community Solutions
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Error Recovery for Community Solutions [Canada]
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