Unable to complete EA Account sign in.

Product: Apex Legends
Platform:Sony Playstation 4
Please specify your platform model. Sony PlayStation 4
What is your gamertag/PSN ID/EA Account name? UnslightlyDeer
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible.
Are you using any software with an overlay? No
Which Legend were you playing (if applicable)?
Which Legends were your squad mates using (if applicable)?
Where did the issue occur? In the lobby (waiting area before the match)
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. Before Lobby
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. Opening application
Did your squad mates also experience the issue? No
How many matches had you played in a row before the issue occurred? None
When did this happen? (dd.mm.yy hh:mm) 07.19.20 10:40 P.M. Central Time
How often does the bug occur? Every time (100%)
How severe is your issue? Major impacts to gameplay
What happens when the bug occurs? When loading into the application on the screen where you have to press X to continue and get into a lobby it gives me an error code saying unable to complete your account sign-in (code 100) or you need to have an EA account to play. I have an EA account and have for years it has been connected to my Playstation as well. The problem is not the server selection.
What should be happening instead? I should be able to get into a lobby.
Steps: How can we find the bug ourselves? See picture

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Picture attached