IndexError in loading single vocal track

[Kueller917]

So I'm trying to test out a song and in loading the vocals I get the "IndexError: list index out of range" exception. Stack trace shows it's thrown from addVocalLyric function in Song.py from the line

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track = [i for i,j in enumerate(self.song.parts) if self.partnumber == j][0]

I've encountered this before, mainly when trying to load a song with multiple lyric parts. Confirmed it when searching in this subforum. I make sure to only include one in the notes.mid file, and did the same for this song.

The MIDI file I'm using definitely has only one PART VOCALS track . I've checked it with other midi files I've exported that are of similar format (from the Reaper template I export from) and are confirmed to still work, nothing is radically different there. The vocal track itself seems fine with no obvious errors. Every note has a lyric and everything is under a phrase marker.

So, I can't really figure out what's wrong, or what else the error could be related to. It's very vague but I suppose if I had a stronger clue I'd be looking into it instead of asking for help. I'm just a bit lost as to where to go from here.

[Kueller917]

Double post but I found the source of the problem. The entries in the Events track were of type Lyric somehow (Reaper usually defaults everything to Text Event on a new session). The result was that after loading the vocal track through addVocalLyric it would then start adding each event as a lyric, counting the track as another invalid vocal track and crashing.