Khephren thuram sbc not working

Product: EA SPORTS FC 25
Platform:Xbox Series S
Please specify your platform model. Microsoft Xbox Series S
What is your Gamertag/PSN ID/Switch ID? Kloppite66
Which mode has this happened in? Ultimate Team™
Which part of the mode? Squad Building Challenges
Can you tell us the date (MM/DD/YYYY) that you saw the bug? 7/10/2024
What time did you see the bug? (HH:MM AM/PM) Don’t know
What is your time zone? BST - GMT + 6:00
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Go to khephren thuram sbc and try to complete them says server problem
What happens when the bug occurs? Just can’t complete the first sbc for khephren thuram every time I fill the squad and then accept it it says there a problem with the server
What should be happening instead? Complete sbc

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I put player in for the second one but I can’t complete the first  sbc and it goes in 3 days so need a fix asap