store error

If you go to EA help, select help by game, FC 26, scroll to the bottom, still not solved (or something along those lines) it will take you to a chatbot. Follow its instructions, it should eventually take you to a screen where it recommends you articles, which have never helped me, or to contact an advisor, which is actual human support - select that. Might have to wait a little, but eventually a human will help you. There's a chance it doesn't have an option to contact an advisor when it recommends you articles after the chatbot - you'll have to retry and describe your issue in a slightly different way to try to get the option to contact an advisor, which is annoying but necessary.

How can i contact one

you're just going to have to try to contact an advisor on EA help then as far as I can see

I tried quick selling them but somehow they comeback

If there's nothing else you can do and you can't get any help from EA, it sucks but it may be worth trying to quick sell the rares? If you can and do, the reason its only showing 50 is because it can only load that much, so make sure you don't quick sell anything that was unassigned that you want to keep.

I tried it through the Web App as well, but unfortunately I’m getting the same result. The 50 rares are still stuck in “Assignment Incomplete,” and I still can’t send them to my club.

Might not work but it may be related to the compensation handed out for the 1 of 3 83+ summer nations player pick last month that didn't hand out star performers cards. Compensation was handed out for this in the form of all the rares you submitted, so it may be those rares. If it isn't letting you send them to club in game, the only thing I could recommend would be trying web/companion app.

Fr i did about 40 sbc player picks but none showed up i hope we find a solution we really wanna play the game before it finishes 

Same here. I’ve been stuck with this problem for two days, so your situation is even worse. I haven’t found a solution yet, but I’ve contacted EA Support.

I can’t open packs, complete SBCs, or even claim the picks I earn from rewards. Honestly, it’s getting so frustrating that I’m starting to feel like quitting the game altogether.

If I find a way to fix it, I’ll definitely let you know. Hopefully they fix this soon!

I have the same problem if you solve it pls tell me how i have been stuck like this for 4 days now