Feature Generation Error:There were 64106 utterances missing features.

[aaditi0722]

Debugging checklist

[ ] Have you read the troubleshooting page (https://montreal-forced-aligner.readthedocs.io/en/latest/user_guide/troubleshooting.html) and searched the documentation to ensure that your issue is not addressed there? Yes
[ ] Have you updated to latest MFA version (check https://montreal-forced-aligner.readthedocs.io/en/latest/changelog/changelog_3.0.html)? What is the output of mfa version? Version 2.2.17
[ ] Have you tried rerunning the command with the --clean flag?Yes

Describe the issue
A clear and concise description of what the bug is.
I used the mfa validate command and there were errors in feature generation-(missing features) and I had received warnings for -"Out of vocabulary words" and there was error in the run of " atexit._run_exitfuncs"

For Reproducing your issue
Please fill out the following:

1. Corpus structure
   • What language is the corpus in?Hindi
   • How many files/speakers?3238/2
   • Are you using lab files or TextGrid files for input?TextGrid
2. Dictionary
   • Are you using a dictionary from MFA? If so, which one?No
   • If it's a custom dictionary, what is the phoneset? What is a phonest?
3. Acoustic model
   • If you're using an acoustic model, is it one download through MFA? If so, which one?No
   • If it's a model you've trained, what data was it trained on?I am training a acoustic model on MFA

Log file
Please attach the log file for the run that encountered an error (by default these will be stored in ~/Documents/MFA).
log.zip

Desktop (please complete the following information):

• OS: [e.g. Windows, OSX, Linux]OSX
• Version [e.g. MacOSX 10.15, Ubuntu 20.04, Windows 10, etc]
• Any other details about the setup (Cloud, Docker, etc)

Additional context
Add any other context about the problem here.