10:45am ET: This has been resolved.
9:30am ET: We are currently aware and actively working an issue where FSA users with a rejected return (Federal or state) are unable to correct and resubmit their tax return(s). This has been reported as Issue 3636 and only impacts FSA and NOT TaxSlayer Pro Online. This post will be updated once the issue has been resolved which we expect to be tomorrow, January 28th.