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We have an ongoing issue with the same error for Bank of America, info814.
If your bank provider is Bank of America, rest assured we are working to resolve this issue the soonest.
An update will be sent to you through E-mail. For as to you add you to the list of affected users, you'll have to reach out to one of our Phone Support agents. Let me guide you how:
If you're using a different bank, we can perform some troubleshooting steps. This helps us identify why you're getting that 355 error.
Let's start with manually downloading your transactions. You can do this by clicking Update from the Banking tab.
If the same thing persists, let's verify if your bank is having page maintenance. I'll show you how:
It would also help if you can provide the name of your bank. This helps me trace further if we have an investigation with it.
I'm always around if you still have other concerns with banking. I've got you covered!