Hello, I'm new to UTAU and I've been trying to make my first cover. I'm working on a cover of Melt with Haruka Nana, and a problem has come up. Every time there is an "o" note, this weird stutter happens. Here is a video demonstrating the problem: The only commonality I can find between all the "o" notes in the song is that they all have their preutterance and overlap set to 0. I don't know what these parameters mean, but I'm fairly certain they're somehow connected to the problem. I tried using the "Clear" and "Reset" buttons, but those didn't fix the problem. Any help would be greatly appreciated!