I cannot add a friend in crossplay. I am PS4 and he is XBOX

[honeydew1996]

Product: Apex Legends
Platform:Sony Playstation 4
Please specify your platform model. Sony PlayStation 4
What is your gamertag/PSN ID/EA Account name? Carlibug101
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible. InorganicChief
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. N/a
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. N/a
Did your squad mates also experience the issue? Yes
How many matches had you played in a row before the issue occurred? 0
When did this happen? (dd.mm.yy hh:mm) 07.12.20 17:00
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 am unable to add my friend in crossplay. We see each others name when we search with a computer next to our names. We send the invite but it never shows up. We aren’t able to play together due to this issue.
What should be happening instead? We should get an invite
Steps: How can we find the bug ourselves? I don’t know what else to do. We have both restarted consoles and closed our applications.

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Listed above problem