hello its keep happening to all my account when i open rgc it say this error my wifi work well please can tell me how do i fix this bug.

Your connection to the chatserver has been lost.

Please restart your RGC if you are not ingame. 

https://prnt.sc/K7OHDNun39oT

1. Your RGC Username :- nemoe
2. Room Name :-asia public
3. Ban Reason :-quit leave the game
4. Reason Of Appeal :- please unban me im not quit again im sorrry please……..

please tell me how to fix this error

https://prnt.sc/qIdPN1kktJUK

1. Your RGC Username : nemoe
2. Room Name : (Asia) Public 
3. Ban Reason : AFK / Left
4. Reason Of Appeal: i got banned due to left.i left the game because  too lag.plaese  unban me. i got bann for 4 day now plase unban me.
5. https://admin.rankedgaming.com/rooms/game.php?game=dota&id=76940459