What Cause QuickBooks Error 377 & how to fix it?
Stumbled on QuickBooks Bank Error 377?
What causes Error 377?
Failure in reconnecting bank to QB online.
To fix error 377, you can download bank transactions from the online banking and upload them to QuickBooks online in the file upload tab under the drop down of Upload.
Then import these transactions to the account to which you have to add them.
And it is done!! If you need more help, call QBSsolved at +1(888) 910 1619.