no matter how much i try i can't melt leaves to get water or seeds to get seed oil or anything else for that matter so i dont know what else to do

This is the issue tracker for buildcraft specifically - you would probably have more help if you asked on the issue page for that modpack?

Also, is this the same as #4506 ?

where do I find the issue page for this modpack?

@RoseQueen21 Here you go.https://github.com/davqvist/Exoria/issues