Error Updating Federal Credit Union Accounts

I don't know if I am in the right place but I cannot get all of my accounts because of an error which states, to many federal Credit Union accounts. I have this many accounts, but now I cannot go from one to the other and I cannot download my one account which is all alone on one account list.
This account is Jan Visa 2020. It was backed up and I cannot even get it from the backup file.
Please let me know where to go from here. Thank you