Okay actual examples from your voicebank.
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Your voicebank is VCV, so these shouldn't exist. Delete the oto.ini in the main folder, I guess it's leftover from your old VB?
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Example #2: The Cutoff is to the right of the Consonant. The pink zone in the OU editor is the consonant, and cutoff is the blue end zone. As you can see it is currently to the right of the consonant. This means that OU is trying to stretch an area that doesn't exist. It should look like this
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For your F4 files, it looks like the wav format is incorrect. File need to be 44.1khz sample rate, 16bit mono WAV files, it looks like a lot of these are 24bit. Use your audio editor of choice to re-export these with the correct settings. Additionally a few seem corrupted?
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and others are missing, like しゅしゅすぃしょしゃしょすぃ, んひんへんほ, and しょしゅんしゃんしゅ in F4-- this might be WIP which is fine but you'd need to test selectively because a file being missing will also crash worldline.