Why can't TurboTax just ignore my excess 401K contribution when I e-file?

[acbonnyac]

They're supposed to fix the issue by 4/5 and now they say this needs to be filed by mail instead as a workaround. I just found this to make no sense to me. This sounds like a software issue rather than a hard requirement with government, or unless I'm missing something here. I just really want some justification on why TurboTax cannot e-file this. It seems like they just didn't want to fix the software issue and pushed customers to do the workaround by filing by mail instead, which I disliked this solution. At the very least, they should have been able to just change the error to be a warning instead to bypass this.

[Rachel_W]

It was just announced that an update is currently planned for April 12th, 2019 to resolve this e-filing issue. 

You may still see a warning about the excess contribution, but you should be able to e-file.  You can check out this TurboTax FAQ for more information: Excess 401(k) Contribution Preventing E-filing.