Client Instance on Linux would automatically close on itself at any random time but character still online and active in the game

Issue: 

Hello,
I have been facing this issue since maybe after Xmas event and cant recall the exact timeline when it started but this issue has been more often after the recent client releases for Linux, so reporting this, if not this has been known or reported earlier. Thanks for reading this.

Whenever i play PRO on Linux the Client Instance would automatically close at any time and also would not show in the running process list on my OS, however when i reopen the client and try to login back to the same account first it shows the character or the user is already inside the game and then after retries it would let me login. This more often happens when my character is afk or idle but is not limited to that, and can even happen anytime whether be Hunting, Bossing etc. 

I am attaching few screenshots where i recently tried to check with my alternative account about how out of both my instance that was running, one instance automatically closed but the character is still inside the server online which i could check through my alternative account.

Thanks for checking this bug report

Screen shots: 

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