Issue Summary

When we try to sort a Date time field which is not set as "Searchable" in JQL. It throws an error.

Steps to Reproduce

1. Create a custom field of type Date time.
2. Make the "Search Template" as None. Refer screen shot.

Expected Results

Should be able to sort in JQL

Actual Results

JQL throws an error "An unknown error occurred while trying to perform a search."
Refer screenshot.

Workaround

Make the field as Searchable - Date range picker.