Hello ANAIN! Could you please explain the issue in detail? Please describe your actions in the game before the error message appeared in private message. It will help us to understand the situation. To be able to conduct the thorough investigation, we need your User ID and your game version. To find them, go to the Menu, About the game section. Please also provide us with the version of all browsers you use to play the game, specify your PC's configuration.

To check your PC's configuration for Windows, please follow the steps below: 

1. Hold "Win" + "R";

2. Insert "dxdiag" in the line and tap "Enter";

3. Attach screenshots of the "System" and "Display" tabs.

We need this information to check and find the solution for this issue.  Also, we recommend you to make sure that your Internet connection is stable, try to clear the cache. Hope for your understanding. Thank you in advance.