Hello @Kateryna Shapovalova this error usually indicates that there are some errors on the server part. Currently, from the Atlassian status page, everything is operational for Jira. Try with incognito mode as well.
Thanks for the reply, but in incognito mode same problem
Maybe the problem is our project has been blocked ?https://s2b-group.atlassian.net/
When you click on Statuspage, do you get additional info?
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