How to fix Net file error MX12021?

[evelynetodd]

Unable to net file because of this error

[TurboTaxSusan]

Please contact our phone support team at 1-888-829-8608 as they will be better able to assist you.

[evelynetodd]

Please note I did not receive any help to fix  XM12021

I called CRA this is not their error code.

Here is the message I received when I tried to file

TurboTax found issues that will prevent the creation of a valid file that is necessary to use CRA's NETFILE service. You have two options:
Click here to contact TurboTax Technical Support. Give the technical support agent the error code "xml202

[TurboTaxSusan]

There is something in your return that is causing TurboTax to give out this error. It may be something as simple as your address not filled in properly, or it could be something else. Our phone support team (1-888-829-8608) will be able to look through your return with you to figure out what is happening.