QB Issue Resolution:

They’ve yet to fix this bug.

Refer to this discussion and check out “Big Red Consulting” file sample answer:

 

https://community.intuit.com/questions/1643951-i-have-desktop-premier-nonprofit-installed-and-can-t-…

Resolution for Issue 'Quickbooks Premier 2018 Sample Companies' available: Yes (Solved).
Source: Intuit Community forum.

Quickbooks Premier 2018 Sample Companies: 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.

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