If the bank connection has been disrupted for a longer time, you can try the following steps to restore the connection:
Click the gear icon to update your login credentials.
If that does not help, proceed as follows:
Unlink your bank account from your company.
"DO YOU WANT TO KEEP HISTORICAL TRANSACTIONS AND THE ACCOUNT BALANCE?" - answer with NO, KEEP TRANSACTIONS
Now delete the existing account connection
Then link the account again