Causes:Bank website might be under maintenance.Incorrect login info in the bank website.
To resolve Quickbooks error 102, you have to update the account in Quickbooks online. You can get it updated manually or automatically by reaching the banking menu of the Quickbooks.
Get quick help in resolving Quickbooks banking error 102 on QBSSsolved at 888-910-1619.https://www.qbssolved.com/quickbooks-banking-error-102-resolve-easy-steps/