Minecraft will crash if you attempt to enter
a minecart that a mob is riding in.
How to reproduce this bug:
put down a minecart
get a mob into the cart
right click the cart, just like you would normally get into one
the game will crash
Related issues
is duplicated by
Attachments
Comments

[media][media][media]

Confirmed.

Note:
Description: Ticking memory connection
java.lang.NullPointerException
at ml.U(SourceFile:1169)
at jf.a(SourceFile:119)
at ec.a(SourceFile:136)
at cg.b(SourceFile:59)

I also had this problem, crash report is attached.

Still occurring in 13w10a

Mod please update unfixed in 13w10a

Ooops. I think mine duped this.
I had this crash w/ ticking entity