It sounds like you might have too many sessions or potentially are experience a firewall / network issue. If you contact support at https://support.atlassian.com/servicedesk/customer/portal/32 they should be able to help you diagnose the problem in more detail.
...from the beginning. We have built up a lot of content in HipChat, with it being a core tool in our distributed company model. While it is true that we didn’t need to move to Slack immediately, we felt it...
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