"Issue(s) picker" Script Fields do not support making comparisons and/or searching for null or EMPTY field values. For example, you are not able to make queries such as:
Trying any of the above can result in a number of different errors; the most prevalent being:
Steps to Reproduce:
- Create a new "Issue(s) picker" Script Field with only a basic configuration (just a field name will do) and ensure you've attached it to some screens in a local project for testing.
- Navigate to the issue Search screen and make an advanced JQL query like:
- Note the resulting error message: