There are a few simple steps to check.
1. Make sure that your Internet connection has no interruptions. Try to switch to mobile Internet or another Wi-Fi Spot.
2. Try using Incognito Mode on your web browser. It will launch the website without loading additional cache and cookies.
3. Try an alternative web browser.
4. There may be maintenance from the provider's side.
5. Ask us on Live chat. The Guardians of the Tomb will check the game from our side.