Solved
OOPS, Something went wrong, please try again later (100) apex legends
Something went wrong, please try again later (100) for Apex Legends. I tried uninstalling twice and I reopened and closed the app 40 times over. I am on PS4.
Change your DNS to google's DNS(primary:8.8.8.8 and secondary 8.8.4 4) in your PS4
It worked for me
