I can't enter my world. It only happened to this world so far. I used MCedit and
NBTedit to see if I could see anything out of the ordinary, but there was nothing to see. When I enter the world, I still have everything in my inventory, but I can't see anything. When I press F3, I can see my Y axis is decreasing slowly, as if i'm sinking in water. But I don't die once I get below Y: 0. I once waited a long time while sinking below Y: 0, and suddenly, I was back in my house. Only problem is: I couldn't open ANY of my chests, And when I pressed a button or pressure plate, It stayed pressed and didn't activate anything.When I log out of the world, the world isn't on top of the world-list, as if I never entered it.
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Please attach the complete output of the "Development console" tab of the launcher.
Click the text, press CTRL-A to select all, then CTRL-C to copy, and CTRL-V to paste in a comment on this ticket.
If the launcher closes after game start, please edit your profile and select "Launcher visibility" then, "Keep the launcher open".

I had to set the launcher visibility to "keep the launcher open". When I logged into my world, it suddenly worked again! Unfortunately, that can't be said of the launcher. There were a lot of errors showing up. When I left the world, the launcher crashed. When I tried to enter the owrld again, it immediately worked, and the launcher didn't crash either.
I copied the output of the development console anyway, because it showed weird things like: "Wrong location! uv['Bat'/218, l='ravenstein', x=452,50, y=37,00, z=507,50]".
[15:22:25 INFO]: Minecraft Launcher 1.3.7 (through bootstrap 4) started on windows...
[15:22:25 INFO]: Current time is Jan 4, 2014 3:22:25 PM
[15:22:25 INFO]: System.getProperty('os.name') == 'Windows 7'
[15:22:25 INFO]: System.getProperty('os.version') == '6.1'
[15:22:25 INFO]: System.getProperty('os.arch') == 'amd64'
[15:22:25 INFO]: System.getProperty('java.version') == '1.7.0_45'
[15:22:25 INFO]: System.getProperty('java.vendor') == 'Oracle Corporation'
[15:22:25 INFO]: System.getProperty('sun.arch.data.model') == '64'
[15:22:25 INFO]: Refreshing local version list...
[15:22:25 INFO]: Refreshing remote version list...
[15:22:26 INFO]: Refresh complete.
[15:22:26 INFO]: Loaded 4 profile(s); selected 'wessltov'
[15:22:26 INFO]: Refreshing auth...
[15:22:26 INFO]: Logging in with access token
[15:23:01 INFO]: Getting syncinfo for selected version
[15:23:01 INFO]: Queueing library & version downloads
[15:23:02 INFO]: Download job 'Version & Libraries' started (16 threads, 27 files)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1-nightly-20131120\lwjgl_util-2.9.1-nightly-20131120.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.2\authlib-1.2.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-external-platform\4.5\twitch-external-platform-4.5-natives-windows-64.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.12\twitch-5.12.jar for job 'Version & Libraries'... (try 0)
[15:23:02 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Download job 'Resources' skipped as there are no files to download
[15:23:03 INFO]: Job 'Resources' finished successfully (took 0:00:00.000)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-external-platform\4.5\twitch-external-platform-4.5-natives-windows-64.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-platform\5.12\twitch-platform-5.12-natives-windows-64.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-platform\5.12\twitch-platform-5.12-natives-windows-64.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1-nightly-20131120\lwjgl-platform-2.9.1-nightly-20131120-natives-windows.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1-nightly-20131120\lwjgl-platform-2.9.1-nightly-20131120-natives-windows.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.12\twitch-5.12.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1-nightly-20131120\lwjgl-2.9.1-nightly-20131120.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1-nightly-20131120\lwjgl-2.9.1-nightly-20131120.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Attempting to download C:\Users\Wesley\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4.jar for job 'Version & Libraries'... (try 0)
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.2\authlib-1.2.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1-nightly-20131120\lwjgl_util-2.9.1-nightly-20131120.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:03 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar for job 'Version & Libraries': Local file matches local checksum, using that
[15:23:04 INFO]: Finished downloading C:\Users\Wesley\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4.jar for job 'Version & Libraries': Used own copy as it matched etag
[15:23:04 INFO]: Job 'Version & Libraries' finished successfully (took 0:00:01.562)
[15:23:04 INFO]: Launching game
[15:23:04 INFO]: Looking for old natives & assets to clean up...
[15:23:04 INFO]: Unpacking natives to C:\Users\Wesley\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4-natives-5423950230227
[15:23:04 INFO]: Launching in C:\Users\Wesley\AppData\Roaming\.minecraft
[15:23:04 INFO]: Half command: C:\Program Files\Java\jre7\bin\javaw.exe -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -Djava.library.path=C:\Users\Wesley\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4-natives-5423950230227 -cp C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.2\authlib-1.2.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1-nightly-20131120\lwjgl-2.9.1-nightly-20131120.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1-nightly-20131120\lwjgl_util-2.9.1-nightly-20131120.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.12\twitch-5.12.jar;C:\Users\Wesley\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4.jar net.minecraft.client.main.Main
[15:23:06 INFO]: Client> [15:23:06] [main/INFO]: Setting user: wessltov
[15:23:06 INFO]: Client> [15:23:06] [main/INFO]: (Session ID is token:084e649d4534491a87d3d33ad1693056:839d938595c14311938c9b8fecaeefcf)
[15:23:06 INFO]: Client> [15:23:06] [Client thread/INFO]: LWJGL Version: 2.9.1
[15:23:09 INFO]: Client> [15:23:09] [Client thread/INFO]: Reloading ResourceManager: Default
[15:23:09 INFO]: Client>
[15:23:09 INFO]: Client> Starting up SoundSystem...
[15:23:09 INFO]: Client> Initializing LWJGL OpenAL
[15:23:09 INFO]: Client> (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[15:23:10 INFO]: Client> OpenAL initialized.
[15:23:10 INFO]: Client>
[15:23:10 INFO]: Client> [15:23:10] [Sound Library Loader/INFO]: Sound engine started
[15:23:11 INFO]: Client> [15:23:11] [Client thread/INFO]: Created: 512x256 textures/blocks-atlas
[15:23:11 INFO]: Client> [15:23:11] [Client thread/INFO]: Created: 256x256 textures/items-atlas
[15:23:19 INFO]: Client> [15:23:19] [Server thread/INFO]: Starting integrated minecraft server version 1.7.4
[15:23:19 INFO]: Client> [15:23:19] [Server thread/INFO]: Generating keypair
[15:23:20 INFO]: Client> [15:23:20] [Server thread/INFO]: Preparing start region for level 0
[15:23:21 INFO]: Client> [15:23:21] [Server thread/INFO]: Preparing spawn area: 66%
[15:23:21 INFO]: Client> [15:23:21] [Server thread/INFO]: Changing view distance to 2, from 10
[15:23:21 INFO]: Client> [15:23:21] [Server thread/INFO]: wessltov[local:E:f0aa9213] logged in with entity id 174 at (478.14595513331074, 64.0, 399.3471669027905)
[15:23:22 INFO]: Client> [15:23:22] [Server thread/INFO]: wessltov joined the game
[15:23:22 INFO]: Client> [15:23:22] [Server thread/ERROR]: Wrong location! uv['Bat'/218, l='ravenstein', x=452,50, y=37,00, z=507,50]
[15:23:22 INFO]: Client> java.lang.Exception: Stack trace
[15:23:22 INFO]: Client> at java.lang.Thread.dumpStack(Unknown Source)
[15:23:22 INFO]: Client> at aoo.a(SourceFile:572)
[15:23:22 INFO]: Client> at apb.a(SourceFile:292)
[15:23:22 INFO]: Client> at apb.a(SourceFile:78)
[15:23:22 INFO]: Client> at apb.a(SourceFile:66)
[15:23:22 INFO]: Client> at ml.f(SourceFile:119)
[15:23:22 INFO]: Client> at ml.c(SourceFile:72)
[15:23:22 INFO]: Client> at ml.d(SourceFile:108)
[15:23:22 INFO]: Client> at afs.e(SourceFile:311)
[15:23:22 INFO]: Client> at afs.a(SourceFile:249)
[15:23:22 INFO]: Client> at afs.a(SourceFile:1720)
[15:23:22 INFO]: Client> at agf.a(SourceFile:153)
[15:23:22 INFO]: Client> at agf.a(SourceFile:101)
[15:23:22 INFO]: Client> at mm.b(SourceFile:117)
[15:23:22 INFO]: Client> at net.minecraft.server.MinecraftServer.u(SourceFile:502)
[15:23:22 INFO]: Client> at net.minecraft.server.MinecraftServer.t(SourceFile:440)
[15:23:22 INFO]: Client> at btk.t(SourceFile:117)
[15:23:22 INFO]: Client> at net.minecraft.server.MinecraftServer.run(SourceFile:357)
[15:23:22 INFO]: Client> at lb.run(SourceFile:616)
[15:23:22 INFO]: Client> [15:23:22] [Server thread/ERROR]: Wrong location! vj['Squid'/219, l='ravenstein', x=467,95, y=61,41, z=320,00]
[15:23:22 INFO]: Client> java.lang.Exception: Stack trace
[15:23:22 INFO]: Client> at java.lang.Thread.dumpStack(Unknown Source)
[15:23:22 INFO]: Client> at aoo.a(SourceFile:572)
[15:23:22 INFO]: Client> at apb.a(SourceFile:292)
[15:23:22 INFO]: Client> at apb.a(SourceFile:78)
[15:23:22 INFO]: Client> at apb.a(SourceFile:66)
[15:23:22 INFO]: Client> at ml.f(SourceFile:119)
[15:23:22 INFO]: Client> at ml.c(SourceFile:72)
[15:23:22 INFO]: Client> at ml.d(SourceFile:108)
[15:23:22 INFO]: Client> at afs.e(SourceFile:311)
[15:23:22 INFO]: Client> at afs.a(SourceFile:249)
[15:23:22 INFO]: Client> at afs.a(SourceFile:1720)
[15:23:22 INFO]: Client> at agf.a(SourceFile:153)
[15:23:22 INFO]: Client> at agf.a(SourceFile:101)
[15:23:22 INFO]: Client> at mm.b(SourceFile:117)
[15:23:22 INFO]: Client> at net.minecraft.server.MinecraftServer.u(SourceFile:502)
[15:23:22 INFO]: Client> at net.minecraft.server.MinecraftServer.t(SourceFile:440)
[15:23:22 INFO]: Client> at btk.t(SourceFile:117)
[15:23:22 INFO]: Client> at net.minecraft.server.MinecraftServer.run(SourceFile:357)
[15:23:22 INFO]: Client> at lb.run(SourceFile:616)
[15:23:22 INFO]: Client> [15:23:22] [Server thread/ERROR]: Chunk file at 28,31 is in the wrong location; relocating. (Expected 28, 31, got 29, 20)
[15:23:27 INFO]: Client> [15:23:27] [Server thread/INFO]: Saving and pausing game...
[15:23:27 INFO]: Client> [15:23:27] [Server thread/INFO]: Saving chunks for level 'ravenstein'/Overworld
[15:23:27 INFO]: Client> [15:23:27] [Server thread/INFO]: Saving chunks for level 'ravenstein'/Nether
[15:23:27 INFO]: Client> [15:23:27] [Server thread/INFO]: Saving chunks for level 'ravenstein'/The End
[15:23:40 INFO]: Client> [15:23:40] [MCO Availability Checker #1/ERROR]: Couldn't connect to Realms

Hm, Wrong Location...
MC-2545
Well known issue.

But I'm in my house... Is there no way to fix it?

Not at the moment. A corrupted chunk is corrupted. nobody knows if this can be fixed at all.

Then, how do chunks GET corrupted? The only weird thing I did was switching back and forth to 1.6.4 because chunks were replacing themselves.

As far as I know, there are several possiblities, most of them are bugs. More information in MC-2545.
Things like version switching is for sure a possibility for World corruption. If you played your world in 1.7, never downgrade to 1.6. It's not called "The update that changed the world" for no reason (however, this also applies to any other Minecraft versions). However, this is just pure speculation.