Unable to view a subtitle in mpv

I have a subtitle that is in .vtt format. I can see the subtitle in l3afpad or any text editor but am unable to play that specific subtitle in MPV. I looked through all of https://mpv.io/manual/stable/#keyboard-control but can't figure it out. Also seems mpv -vvv no longer works $ mpv -vvv Open\ World\ Terraforming\ Survival\ _\ Planet\ Crafter\ Gameplay\ _\ Part\ 5\ \[tHcbTkGNVHg\].webm Error parsing option vvv (option not found) Setting commandline option --vvv= failed. Exiting... (Fatal error) This is the configuration of my mpv - ~/.config/mpv$ cat mpv.conf alang=eng,en,english slang=en,eng, english sub-scale=1.00 save-position-on-quit On VLC, the subtitle plays fine. It does load the subtitle, just fails to show it :( $ mpv Open\ World\ Terraforming\ Survival\ _\ Planet\ Crafter\ Gameplay\ _\ Part\ 5\ \[tHcbTkGNVHg\].webm Resuming playback. This behavior can be disabled with --no-resume-playback. (+) Video --vid=1 (*) (vp9 1280x720 30.000fps) (+) Subs --sid=1 --slang=en 'Open World Terraforming Survival _ Planet Crafter Gameplay _ Part 5 [tHcbTkGNVHg].en.srt' (subrip) (external) VO: [gpu] 1280x720 yuv420p V: 00:52:40 / 02:46:12 (32%) Saving state. Exiting... (Quit) Doing - $ ffmpeg -v error -i Open\ World\ Terraforming\ Survival\ _\ Planet\ Crafter\ Gameplay\ _\ Part\ 5\ \[tHcbTkGNVHg\].webm -f null - 2>error.log Gives no output, nothing happens :( . An error log is generated but it is empty. Any hints or ideas most welcome.