how to unlink an ea account from ps5

Product: EA SPORTS FC 24
Platform:PlayStation 5 Digital Edition
Please specify your platform model. Sony PlayStation 5 Digital Edition
What is your Gamertag/PSN ID/Switch ID? Amjad-1980
Which mode has this happened in? Ultimate Team™
Which part of the mode? Rivals
Can you tell us the date (MM/DD/YYYY) that you saw the bug? 9/29/2023
What time did you see the bug? (HH:MM AM/PM) 11:20AM
What is your time zone? EAT - GMT + 3:00
How often does the bug occur? Often (50% - 99%)
Steps: How can we find the bug ourselves? I can’t enter anything that is online because I never used the account that is there
What happens when the bug occurs? I can’t do anything that is online
What should be happening instead? it should let me change my ea account

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I can’t do anything online