In TurboTax Online, you can only erase your return and start from scratch (Clear and Start Over) as long as you haven't submitted payment, deducted the TurboTax fee from your refund, or registered.
There are various reasons why your return was rejected.
Use this link to learn why your return was rejected and how to fix it.
Click on each step for instructions on how to make corrections and re-file.
https://ttlc.intuit.com/questions/1901491-how-do-i-fix-a-rejected-return
