alex2036,
It sure appears to be a bug, but don't panic (yet). You don't indicate whether you are doing your taxes online or via a desktop download. With the former, you can use the Tools option on the sidebar to bring up forms to edit or delete. With the latter, you just click on the Forms option. Look for Schedule E and any associated worksheets and try to make the change(s) there. If you aren't allowed to edit, then delete the form(s) and restart your rental property.
Sorry I'm not on my computer with TurboTax, but I'm still resting in bed after surgery a few days back.
