was Environment - The Issue
I have been creating a new Adventure map when my computer detected a problem and crashed. When my computer restarted, I went and open minecraft 1.11.2 to check if my world saved before it crashed. When I clicked single player my world disappeared. I Check to see if it is in %appdata%/.minecraft/saves folder and it was there. I used NBTExplorer to see if there was a problem with the level.dat. When it open, the level.dat did not show up. I desided to recreate the level.dat and copyed the Chunk Files. The world open, but the chunks did not all show up. I have a download link of the 2 worlds below (This link is safe I Tested it MySelf) (The text doc named "READ MY MOJANG" has more info on the problem). Also I could not find a crash file (My last crash file was from 2014, I hardly Crash)

My Computer Data:
I use a Windows 8 HP labtop. Java 8 Update 66. Mincraft Launcher v2.0.832. I had Optifine on 3 hours and 28 min before I Crashed, but not when I did. I was bone mealing a Oak Sapling. Newest 1.11.2 update. I get about an avg 30-50 FPM (That is fast for me), I was at 72 FPM when I Crashed. No Programs open when I Crashed. My computer was at 98% Charge. Internet was at 4 Bars. 36 chunks reloaded. I was at Tiny Render Distance than I Changed it to 6 Short+. I had 2nd Srceen online. Everything was normal. I just Don't Know What Happen.