Sometimes, when Collabspot releases a new update your old cache may cause disruption with the new update which causes Gmail to repeatedly refresh. To do a quick fix, please try these steps:
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 firstname.lastname@example.org if you still encounter the same issue.