@SM841Interestingly, I tried your way - by filing my spouse's filing (0 income) first. Still, it did not work for my filing. I was still getting the same error....

Did two fixes and it worked for me:1/ Added $1 income to my spouse's income through Non-T4 slip income2/ Removed address and other rent details (that I had prev...

Any solution? My wife has zero income. Her netfile was sent, but mine is showing this error still.