Unable to fit texture
This crash is caused by Minecraft being unable to handle a texture, due to insufficient video memory.
Common workarounds include reverting to the default resource pack, disabling Anisotropic Filtering or allocating more memory to the game.
How to fix this
Switch to the default resource pack
Go to the Minecraft folder
Open options.txt
Change the line that starts with resourcepacks:
to resourcepacks:[]
Save and close the file
Run Minecraft normally
Give Minecraft more memory
Your computer may not have enough memory available for this option Follow this guide [no link]