Error when opening color picker and when copying screen

:ballot_box_with_check: I checked out Kodular Fenix (v1.5.0) Bug Tracker before creating a new topic

Description

When opening the color picker, I get the following error:

notes = Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
foundIn = 1.5B.1-Fenix
faultData = com.google.gwt.event.shared.UmbrellaException: Exception caught: (SyntaxError) : Expected property name or '}' in JSON at position 2
projectId = XXXXXXXXXXX

And when copying a screen I get:

Server error: could not copy form. Please try again later!

Tried multiple times

Steps to reproduce the issue

Issue 1: Open the color picker
Issue 2: Copy a screen