https://help.myob.com/wiki/x/1A2c
BankLink Books and BankLink Practice
This error appears due to the security settings on the computer that is preventing BankLink Practice or BankLink Books from accessing the internet.
MYOB is investigating this issue.
To resolve this error, complete the steps below for the applicable BankLink product.
Setting up email in BankLink Books
Editing the sub domain connection in BankLink Books
Upgrading BankLink Books
Installing BankLink PayablesPlus, InvoicePlus, Books and Notes Desktop on an Apple Mac