Cash Management Account - Plaid Connection

We created and funded a checking account in Stessa’s Cash Management feature through Blue Ridge Bank. I have tried to link my Blue Ridge Bank account to a third party software which uses Plaid but my Stessa credentials don’t work for Blue Ridge Bank. After that I tried logging directly into www.mybrb.com which failed and when I tried to create an online account with the bank they don’t recognize the EIN & Account numbers as valid. How do we login and view our actual bank accounts?