resorce pack not working on bedrock

[Leopards0Gaming]

when i play minecraft with the purebdcraft texture pack on xbox everything look like classic mc ive had the texture pack for about a month and was using earlier this day it was working perfectly fine apart from the villagers which were classic mc texture the pack was working fine on this world then i recently hopped back onand it was messed up ive tried deleting it and restarting my game and i dont know what to do to fix it so someone help

[HanFox]

If you try and follow the "Crashes / Changing Resolution" section of the Troubleshooting what happens?