The copy space functionality from advanced space functionality> Built in scripts is throwing error

Steps:

Navigate to Space tools> Advanced space functionality> Copy Space

Actual Result:

The page is loaded with a server error

(See the screenshot)

Expected Result:

The page should load properly and the functionality should work as expected

Note: This functionality was working when tested the fix for the bug SRCONF-1099 using the respective branch which had the fix

Tested using:

SR: 5.6.16

Confluence: 6.15.10, 7.3.1