Sometimes, when Collabspot releases a new update your old cache may cause disruption with the new update which causes Gmail to refresh repeatedly. To do a quick fix, please try the steps below:
Clearing Cache and Cookies
1. In your address bar, paste this link " chrome://settings/clearBrowserData "
2. Select "Cookies.. and Cached images.." checkboxes
3. Hit Clear browsing data button
4. Restart Chrome and Gmail.
Please contact email@example.com if you still encounter the same issue.