The game crashed whilst rendering entity in world
The game crashed whilst rendering entity in world
Error: java.lang.ClassCastException: java.lang.Float cannot be cast to java.lang.Boolean
This error happens every time i come nearby an villager entity in multiplayer mode

where is this page because I have this error

Use an older version of Optifne, it solved the problem for me

I tried the direct, no optifine.
The game crashed whilst ticking entity
Error: java.lang.ClassCastException: com.google.common.base.Present cannot be cast to java.lang.Boolean

pass after a certain time. I didn't understand.

Also had this problem. Seems the fix is turning off the conversion of regular villagers to MCA ones.

Can confirm this is an issue. Here is my actual crash log for diagnostic purposes even though it seems this mod is dead in the water.
crash-2019-05-30_20.23.51-client.txt

I agree.
I HAVE THAT SAME PROBLEM!!!

Same Problem.

This issue was closed. Was there ever a solution found?

Yes, there was an update made. See the CurseForge page.