App freezes on configuration/Tutorial

Description

We got the Confluence Zendesk Sync installed finally, but then it freezes on a Tutorial screen.
https://tstllc.jira.com/wiki/plugins/servlet/ac/com.kolibridigital.confluence-zendesk-sync/tutorial
I don't seem to be able to attach a screenshot here, but I have one.

My email address is cyn.armistead@tstllc.net

Environment

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Assignee

Kolibri Digital