Make sure you only have Scrimba opened in one place
This problem generally occurs when you have more than one instance of Scrimba opened (such as in another window or tab).
Clearing your browser cache
Try logging out, clear your browser cache and log back into Scrimba.
Disabling browser extensions
Some browser extensions may interfere with our platform so try running Scrimba in private/incognito mode and see if this problem continues. You can also try our platform on other browsers to see if the problem persists on those.
If you’re still experiencing issues please contact help@scrimba.com