QB Issue Resolution:

That is not a Conversion failure.

That is an Update message. For instance, 2013-2015 or Maintenance Release 5 to 8.

If this data file has multiple usernames, you have to be logging in as Admin.

Resolution for Issue 'Enterprise files sent to QuickBooks for conversion to Premier failure.' available: Yes (Solved).
Source: Intuit Community forum.

Enterprise files sent to QuickBooks for conversion to Premier failure.: 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 administrator
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Error Recovery for administrator [Canada]
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