If the problem continues, please follow the instructions below:
Please be sure that your container and your server are running.
If step 1 doesn't help, clear your browser's cache and try to connect again. [How to clear cache?]
If step 2 doesn't help, try to connect via incognito mode of your browser.
If the above steps don't help anything, please send an email to firstname.lastname@example.org with the screenshots.