I cant add my friend and they cant add me

Product: Apex Legends
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number i dont know
Enter RAM memory size in GB I dont know
What is your gamertag/PSN ID/EA Account name? Melisaa3638
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible. XxCeriXx1242
Are you using any software with an overlay? No
Which Legend were you playing (if applicable)? none
Which Legends were your squad mates using (if applicable)? none
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. menue
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. trying to add my friend .-.
Did your squad mates also experience the issue? Yes
How many matches had you played in a row before the issue occurred? none
When did this happen? (dd.mm.yy hh:mm) 26-08-2021
How often does the bug occur? Every time (100%)
How severe is your issue? Major impacts to gameplay
What happens when the bug occurs? I physically cant add my friend because their name doesn't pop up like when i try and add them it says "cant be found" or something like that and they cant find me either im on pc and they're on Xbox and we are very confused on what to do someone please help
What should be happening instead? we should be able to find eachtoher and friend eachother and play together
Steps: How can we find the bug ourselves? i dont know

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uh help please We need your help please