Put the summary of the bug you're having here
What I expected to happen was...:
What actually happened was...:
if i want to place a new block from the updat 1.7.1 1.7.2 1.7.4 the world fade
but if I play Minecraft 1.6.4 the world didn`t fade
Steps to Reproduce:
1. I intsalled the update 1.7.1 .1.7.2 1.7.4
2. I started Minecraft
3. I pickt a world
4. I placet a new block from the update and the world faded
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Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report ([minecraft|http://hopper.minecraft.net/help/finding-minecraft-data-folder]/crash-reports/crash-<DATE>-client.txt
) here.