Cannot register debug window class: class already exists
This support note applies to:
- AO Tax (AU)
- AE System Release (NZ)
- AE System Release (AU)
- AE MAS (NZ)
- AE MAS (AU)
- AE Tax (NZ)
- AE Central Database (NZ)
- AE Assets (AU)
- AE Assets (NZ)
- AE Tax Series 6 & 8 (AU)
- AE Tax (AU)
Article ID:
In MYOB AE/AO or System Release you may experience the error "Cannot register debug window class: class already exists".
This error can occur if you have tried to open a tax return, a schedule or during a lodgment.
To fix the issue, logout and login back to AE/AO
If you still have the issue restart your computer.