Hi Everyone,
Thank you very much again for your patience while we resolved this issue. The patch fix for the issue regarding 500 errors when posting invoices through the desktop API has been released. If you are using the PC version of AccountRight, please open any local file in AccountRight and after a few minutes you will see a prompt in the top right hand corner advising you of an update. Simply click "Restart AccountRight" to install the patch update.
The installers on the MYOB downloads website are scheduled to be updated soon.
If you have any further issues or questions please raise a new support ticket via the link below:
MYOB Business (AccountRight) API Support