Whenever I open new html 5 version, it gav an "Uknown Error" message. Please fix this. Also I am using latest version of chrome and also my pc supports WebGL 2 and it is enabled.

Hello guys! I am facing a bug contineously in old HTML 5 version that when I open and change terrrets or hulls or even buy drugs, some of my buttons stopped working e.g TAB button for score board, Enter button for chat, etc. please fix this error.