Any way to fix this?

https://preview.redd.it/fckjkckbpisg1.png?width=611&format=png&auto=webp&s=f4893493a3eea4d04a35139c933229cbb04f0a5b

Awhile back I downloaded the Lunai version to try out diffsingers but decided to go back to regular openutau. Now some of my usts aren't able to open despite being up to date. I'm assuming it's because I had used lunai previously but just wanted to know if it's possible to fix it???