Issue Summary

Time Since Issues Report may  encounter 500 error in below condition:

• Having value the custom filed in a ticket
• If selecting a custom date as Date Field in Time Since Issues Report 

Note: if not reproduced, please retry after a reindex.

Steps to Reproduce

1. Create a Date picker custom filed ("Test Date")
2. Associate it with a project
3. Create a ticket from the above project, and set a value for "Test Date" field
4. Move to "Time Since Issues Report " of above project
5. Select "Test Date" in Date Field

Expected Results

No error

Actual Results

500 error happens, please see below screenshot:

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available