Guide: Troubleshooting and Fixing Tax Error Messages (DESKTOP + ONLINE)

Hey everyone!

Here to share some resources that will help you troubleshoot and fix errors in MYOB Practice tax online or MYOB AE/AO desktop.

Using MYOB Practice Online Tax

A validation error begins with the error code: CMN.ATO

Check out this page for a list of validation errors that have been reported to us. We’ve organised it by the type of return you are trying to validate so you’ll be able to easily find your error code and what to do next.

An authentication error begins with the error code: CMN.ATO.AUTH

A list of authentication error codes and the relevant fixes can be found on this page.

If you encounter a Status Code 400 error message when trying to do a return online, check out this post for a fix. 

Using MYOB AE/AO Desktop

Click on the error code you are experiencing for next steps.

An authentication error, begins with the error code: CMN.ATO.AUTH

A general PLS error, will begin with the error code: CMN.ATO.GEN

Activity statement errors will begin with the error code: CMN.ATO.AS

Individual return (income details schedule) errors begin with CMN.ATO.INCDTLS

Individual return errors begin with CMN.ATO.IITR

Interposed Entity Election (IEE) errors begin with CMN.ATO.IEE

Self Managed Super Fund (SMSF) errors begin with CMN.ATO.SMSFAR

All return types errors begin with CMN.ATO.XML03 or CMN.ATO.XML04

Feel free to reach out or make another post if you have any further questions!