Unable to file using Netfile because of TurboTax bug relating to T1135

I am using the downloaded 'desktop' version of TurboTax.  It gives the option to file the main T1 return, and then separately file the T1135 (assuming you need to), via separate filing buttons.

Because I need to send a paper version of the T1135 form using Part B (detailed account), due to insufficient lines available in the software that were highlighted by other users years ago and still not rectified, TurboTax is then not allowing the main T1 return to be filed, as it says the T1135 isn't completed properly.

I am not intending to complete the T1135 within the software, but instead send a separate fillable PDF document.  The bug now means I will have to send my entire return by paper instead of filing online, taking 12 weeks for CRA to process it instead of 1 week...

This rather obvious bug has negated the entire reason for purchasing TurboTax and is now costing me weeks of delay.  The 'support' phone number being entirely automated does not allow you to speak with anyone, instead it offers to send a list of error codes to my phone.

What is the point of having separate buttons for filing the T1 and the T1135 documents, if the T1 then fails to file using Netfile because the T1135 isn't completed...