Solution
First of all, please note that your data is safe and there is no risk for data loss with any of the operations below. At any time, please don’t hesitate to raise a support ticket, describing the details of your Confluence (version, DC or Server, etc.) and your version of our app.
Approach 1
Approach 2
Uninstall our app under "Confluence Admin > General Configuration > Manage Apps".
Flush all caches under "Confluence Admin > General Configuration > Cache Management" at the bottom of the page.
Reinstall our app.
Check if the problem is solved.
Approach 3