QB Issue Resolution:

You tagged this thread as using Pro, if so there is no industry edition to toggle to. Pro is all industries, it is a the basic desktop install.

Only premier and enterprise has industry editions.  If you upgrade to premier then yes you can get the contractor edition and your present file will work just fine

Resolution for Issue 'How do I change our trade type from Construction to OTHER?' available: Yes (Solved).
Source: Intuit Community forum.

How do I change our trade type from Construction to OTHER?: 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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