i cant open my inventory , i cant die ,and i dont have hearts

iam playing with some crazy craft mods and i have inventory pets mod so when i died it bring me back to life but when i open my inventory i so my character was dead but everything was fine so i keep doing my thing then i couldnt open my inventory i didnt have any hearts ,where my hearts used to be where just my armor i didnt saw my hearts they war gone

so report this to inventory pets