Version:
1.75

Issue
So I decided to start Twilight Forest, however, I am unable to obtain the advancements in any way including the /advancement command. I tried resetting the dimension, revoking the advancements and starting again. Nothing works.

Thanks

I'm afraid you will have to delete or edit your player.data. if you need help, please go to my discords support section. I'll give you a link below.

We use the issue tracker exclusively for bug reports, development and feature requests. However, this issue appears to be a support request. Please use the support channel on our Discord to get help.