Advancement Bug

I was playing in a server when i want to get the advancement of: Monsters Hunted and i have 30 of 33 i go a friend help me kill a Slime if get out a Hoglin for nether to get Zoglin and it was 32 of 33 but searching and searching i kill all hostile mobs and neutral but it stills in 32 i search the mobs ihave to kill and i kill all those mobs ( page: https://minecraft.gamepedia.com/Tutorials/Advancement_guide) and i search my statistics and i kill all thos mobs but there was only one thing that kills me and was named: Player