[21:30:13] [Render thread/ERROR]: No data fixer registered for ashen_cow
[21:30:13] [Render thread/ERROR]: No data fixer registered for albino_cow
[21:30:13] [Render thread/ERROR]: No data fixer registered for cookie_cow
[21:30:13] [Render thread/ERROR]: No data fixer registered for cream_cow
[21:30:13] [Render thread/ERROR]: No data fixer registered for dairy_cow
[21:30:13] [Render thread/ERROR]: No data fixer registered for pinto_cow
[21:30:13] [Render thread/ERROR]: No data fixer registered for sunset_cow
[21:30:13] [Render thread/ERROR]: No data fixer registered for amber_chicken
[21:30:13] [Render thread/ERROR]: No data fixer registered for bronzed_chicken
[21:30:13] [Render thread/ERROR]: No data fixer registered for gold_crested_chicken
[21:30:13] [Render thread/ERROR]: No data fixer registered for midnight_chicken
[21:30:13] [Render thread/ERROR]: No data fixer registered for skewbald_chicken
[21:30:13] [Render thread/ERROR]: No data fixer registered for stormy_chicken
[21:30:13] [Render thread/ERROR]: No data fixer registered for mottled_pig
[21:30:13] [Render thread/ERROR]: No data fixer registered for pale_pig
[21:30:13] [Render thread/ERROR]: No data fixer registered for piebald_pig
[21:30:13] [Render thread/ERROR]: No data fixer registered for pink_footed_pig
[21:30:13] [Render thread/ERROR]: No data fixer registered for sooty_pig
[21:30:13] [Render thread/ERROR]: No data fixer registered for spotted_pig
[21:30:13] [Render thread/ERROR]: No data fixer registered for bold_striped_rabbit
[21:30:13] [Render thread/ERROR]: No data fixer registered for freckled_rabbit
[21:30:13] [Render thread/ERROR]: No data fixer registered for harelequin_rabbit
[21:30:13] [Render thread/ERROR]: No data fixer registered for muddy_foot_rabbit
[21:30:13] [Render thread/ERROR]: No data fixer registered for vested_rabbit
[21:30:13] [Render thread/ERROR]: No data fixer registered for flecked_sheep
[21:30:13] [Render thread/ERROR]: No data fixer registered for fuzzy_sheep
[21:30:13] [Render thread/ERROR]: No data fixer registered for inky_sheep
[21:30:13] [Render thread/ERROR]: No data fixer registered for long_nosed_sheep
[21:30:13] [Render thread/ERROR]: No data fixer registered for patched_sheep
[21:30:13] [Render thread/ERROR]: No data fixer registered for rocky_sheep
[21:30:13] [Render thread/ERROR]: No data fixer registered for bone_shard
[21:30:13] [Render thread/ERROR]: No data fixer registered for bone_spider
[21:30:13] [Render thread/ERROR]: No data fixer registered for bouldering_zombie
[21:30:13] [Render thread/ERROR]: No data fixer registered for cluckshroom
[21:30:13] [Render thread/ERROR]: No data fixer registered for fancy_chicken
[21:30:13] [Render thread/ERROR]: No data fixer registered for furnace_golem
[21:30:13] [Render thread/ERROR]: No data fixer registered for horned_sheep
[21:30:13] [Render thread/ERROR]: No data fixer registered for jolly_llama
[21:30:13] [Render thread/ERROR]: No data fixer registered for jumbo_rabbit
[21:30:13] [Render thread/ERROR]: No data fixer registered for lobber_zombie
[21:30:13] [Render thread/ERROR]: No data fixer registered for melon_golem
[21:30:13] [Render thread/ERROR]: No data fixer registered for melon_seed_projectile
[21:30:13] [Render thread/ERROR]: No data fixer registered for moobloom
[21:30:13] [Render thread/ERROR]: No data fixer registered for moolip
[21:30:13] [Render thread/ERROR]: No data fixer registered for muddy_pig
[21:30:13] [Render thread/ERROR]: No data fixer registered for rainbow_sheep
[21:30:13] [Render thread/ERROR]: No data fixer registered for rotten_flesh_projectile
[21:30:13] [Render thread/ERROR]: No data fixer registered for skeleton_wolf
[21:30:13] [Render thread/ERROR]: No data fixer registered for tropical_slime
[21:30:13] [Render thread/ERROR]: No data fixer registered for umbra_cow
[21:30:13] [Render thread/ERROR]: No data fixer registered for viler_witch
[21:30:13] [Render thread/ERROR]: No data fixer registered for wooly_cow
[21:30:13] [Render thread/INFO]: [Earth2Java] Mod loaded! Enjoy :D

That's fine, not need to care about them.