Monster Hunted not tracking properly. It says I have killed 33 of 34 of the mobs needed but I went through the statistics and confirmed that minecraft says I have killed at least one of each.

What I expected to happen was...:
Get the Monster Hunted achievement.

What actually happened was...:
It says I have one left but I know I have killed everything in the game except the panda.

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
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