Notification - Party Leader Quit

Product: Apex Legends
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number Nvidia 2080Ti
Enter RAM memory size in GB 32GB
What is your gamertag/PSN ID/EA Account name? NilsGC
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible.
Which Legend were you playing (if applicable)? Multiple
Which Legends were your squad mates using (if applicable)?
Where did the issue occur? In a match, usually when I am engaged in combat
Which part of the map or menu were you in? If you don't remember the exact name, please describe the area or what you were trying to do in the menu. Any
What were you doing when the issue occurred? E.g. respawning a squad mate at a beacon, using an ability, a squad mate left the game. Fighting enemies
Did your squad mates also experience the issue? Yes, but they had the same yesterday
How many matches had you played in a row before the issue occurred? 0, I could not finish a match today that was not this error or dx error. (those never occurred before.)
When did this happen? (dd.mm.yy hh:mm) 17/02/2019
How often does the bug occur? 100%
How severe is your issue? Major impacts to gameplay
What happens when the bug occurs? Game quits out to the lobby with the error "Notification - Party Leader Quit" despite both of my friends remaining in the game. Has happened multiple times today every time I am shooting someone.
What should be happening instead? Should be remaining in the game and continuing to play
Steps: How can we find the bug ourselves? My friend invited me to a party, his privacy is invite only. I have to use the shift+f1, friends list, open the chat to accept it. Click ready, go to a game, find stuff, shoot people, a few minutes in you leave the game back to menu