You have already tried deleting the form; we suggest you contact our product support team by phone.
https://turbotax.community.intuit.ca/turbotax-support/en-ca/help-article/tax-return/contact-us/L1h8P...
They have access to tools we don't have here in the community, like screenshare, and see the issues to escalate into an investigation if needed.
Thank you for choosing TurboTax.
