My chars are dissconnect for no reason!

Everytime i connect my chars for example 10 every hour i see 2chars are dissconnected but my internet working nicely whole day I’m stuck with this problem during 5days can u please help me ?!
Server flora

Joymax kicked you to make room for other players or your ISP dropped the connections for some reason.

So any Suggestion?!
Or i just have to deal with it?

There’s nothing you can do.

Go report joymax