Console Error when adding Currency to Trade

[Khrystyian]

Describe the bug When players are adding Currency to trades it closes the GUI and shows this error in console: https://pastebin.com/RT9uTgs5

To Reproduce Steps to reproduce the behavior: I am unsure, as I only updated it to latest version and it started happening.

Expected behavior It should not close the GUI and the error should not be there.

Screenshots N/A

Additional context N/A

Discord contact: khrystyian