Yes,
Disappointing, but remember thats 9 hours extra experience you have,
When having to start over, even though you feel like you’ve lost something, you’ll find there always improvements in various places and things you didn’t consider first time around, in the end you’ve gained more.
I’ve lost months of work, mostly from bad ideas, but I’ve gained months of experience from them
and Check-in changes every time you think I don’t want to do that again.