QB Issue Resolution:

FIRST and most importantly, you will need to login as ADMIN user.

From the COMPANY menu > Export company file to QuickBooks Online

See attached screenshot for reference.

Resolution for Issue 'How do I import data from Windows QB Premier Accountant Edition 2014 to QB online?' available: Yes (Solved).
Source: Intuit Community forum.

How do I import data from Windows QB Premier Accountant Edition 2014 to QB online?: 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 Import
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Error Recovery for Import [Canada]
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