The url itself does not seem to be the problem. When I paste it into the browser address bar and hit enter, it goes to my calendar. This is true for an incognito window as well, so it doesn't seem to be a permissions issue.
Looks like your question is currently tagged for Confluence. Based on the text in your question though, I think you're looking for help with the Calendar for Jira Cloud add-on - is that right? I ask because the app is supported by a marketplace vendor and I'd like to add some tags to your question to improve the chance that they see it.
Daniel | Atlassian Support
Project managers know this problem: A “mountain of work” lays in front of you, and you don’t know how and where to tackle them. Different to-dos lie ahead, but just one task after the other can be ha...
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