I get this Error and want to know how to fix it. This is the console.
[10:10:57 INFO]: Minecraft Launcher 1.3.6 (through bootstrap 5) started on osx...
[10:10:57 INFO]: Refreshing local version list...
[10:10:57 INFO]: Current time is Dec 5, 2013 10:10:57 AM
[10:10:57 INFO]: System.getProperty('os.name') == 'Mac OS X'
[10:10:57 INFO]: System.getProperty('os.version') == '10.9'
[10:10:57 INFO]: System.getProperty('os.arch') == 'x86_64'
[10:10:57 INFO]: System.getProperty('java.version') == '1.6.0_65'
[10:10:57 INFO]: System.getProperty('java.vendor') == 'Apple Inc.'
[10:10:57 INFO]: System.getProperty('sun.arch.data.model') == '64'
[10:10:57 INFO]: Refreshing remote version list...
[10:10:58 INFO]: Refresh complete.
[10:10:58 INFO]: Loaded 1 profile(s); selected 'Falcon30'
[10:10:58 INFO]: Refreshing auth...
[10:10:58 INFO]: Logging in with access token
[10:10:59 INFO]: Getting syncinfo for selected version
[10:10:59 INFO]: Queueing library & version downloads
[10:10:59 INFO]: Download job 'Version & Libraries' started (16 threads, 24 files)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/com/google/guava/guava/15.0/guava-15.0.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/net/sf/jopt-simple/jopt-simple/4.5/jopt-simple-4.5.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/org/apache/commons/commons-lang3/3.1/commons-lang3-3.1.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/java3d/vecmath/1.3.1/vecmath-1.3.1.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/io/netty/netty-all/4.0.10.Final/netty-all-4.0.10.Final.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/org/apache/logging/log4j/log4j-api/2.0-beta9/log4j-api-2.0-beta9.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl/2.9.1-nightly-20131017/lwjgl-2.9.1-nightly-20131017.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/net/sf/trove4j/trove4j/3.0.3/trove4j-3.0.3.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/org/apache/logging/log4j/log4j-core/2.0-beta9/log4j-core-2.0-beta9.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl/2.9.1-nightly-20131017/lwjgl-2.9.1-nightly-20131017.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/com/mojang/authlib/1.3/authlib-1.3.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-osx.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-osx.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/com/mojang/authlib/1.3/authlib-1.3.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.1-nightly-20131017/lwjgl_util-2.9.1-nightly-20131017.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.1-nightly-20131017/lwjgl-platform-2.9.1-nightly-20131017-natives-osx.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.1-nightly-20131017/lwjgl_util-2.9.1-nightly-20131017.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 INFO]: Attempting to download /Users/Kyle/Library/Application Support/minecraft/versions/1.7.2/1.7.2.jar for job 'Version & Libraries'... (try 0)
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/com/google/guava/guava/15.0/guava-15.0.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/java3d/vecmath/1.3.1/vecmath-1.3.1.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 ERROR]: Unhandled exception in executor net.minecraft.launcher.updater.ExceptionalThreadPoolExecutor$ExceptionalFutureTask@4de3e1b8
java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: Parameter 'directory' is not a directory
at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222) ~[?:1.6.0_65]
at java.util.concurrent.FutureTask.get(FutureTask.java:83) ~[?:1.6.0_65]
at net.minecraft.launcher.updater.ExceptionalThreadPoolExecutor$ExceptionalFutureTask.done(ExceptionalThreadPoolExecutor.java:57) [launcher.jar:?]
at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273) [?:1.6.0_65]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307) [?:1.6.0_65]
at java.util.concurrent.FutureTask.run(FutureTask.java:138) [?:1.6.0_65]
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [?:1.6.0_65]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [?:1.6.0_65]
at java.lang.Thread.run(Thread.java:695) [?:1.6.0_65]
Caused by: java.lang.IllegalArgumentException: Parameter 'directory' is not a directory
at org.apache.commons.io.FileUtils.validateListFilesParameters(FileUtils.java:545) ~[launcher.jar:?]
at org.apache.commons.io.FileUtils.listFiles(FileUtils.java:521) ~[launcher.jar:?]
at net.minecraft.launcher.GameLauncher.migrateOldAssets(GameLauncher.java:429) ~[launcher.jar:?]
at net.minecraft.launcher.GameLauncher.playGame(GameLauncher.java:182) ~[launcher.jar:?]
at net.minecraft.launcher.ui.bottombar.PlayButtonPanel$1$1.run(PlayButtonPanel.java:34) ~[launcher.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439) ~[?:1.6.0_65]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) ~[?:1.6.0_65]
... 4 more
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.1-nightly-20131017/lwjgl-platform-2.9.1-nightly-20131017-natives-osx.jar for job 'Version & Libraries': Local file matches local checksum, using that
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/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
[10:10:59 INFO]: Finished downloading /Users/Kyle/Library/Application Support/minecraft/versions/1.7.2/1.7.2.jar for job 'Version & Libraries': Used own copy as it matched etag
[10:10:59 INFO]: Job 'Version & Libraries' finished successfully (took 0:00:00.093)
[10:10:59 INFO]: Launching game
[10:10:59 INFO]: Looking for old natives & assets to clean up...
[10:10:59 INFO]: Unpacking natives to /Users/Kyle/Library/Application Support/minecraft/versions/1.7.2/1.7.2-natives-1386256259927949000
[10:10:59 WARN]: No assets index file /Users/Kyle/Library/Application Support/minecraft/assets/virtual/legacy; can't reconstruct assets
[10:10:59 INFO]: Launching in /Users/Kyle/Library/Application Support/minecraft
[10:10:59 FATAL]: Fatal error launching game. Report this to http://mojang.atlassian.net please!
java.io.FileNotFoundException: File '/Users/Kyle/Library/Application Support/minecraft/assets/indexes/legacy.json' does not exist
at org.apache.commons.io.FileUtils.openInputStream(FileUtils.java:299) ~[launcher.jar:?]
at org.apache.commons.io.FileUtils.readFileToString(FileUtils.java:1711) ~[launcher.jar:?]
at net.minecraft.launcher.GameLauncher.getAssetObject(GameLauncher.java:323) ~[launcher.jar:?]
at net.minecraft.launcher.GameLauncher.launchGame(GameLauncher.java:245) ~[launcher.jar:?]
at net.minecraft.launcher.GameLauncher.onDownloadJobFinished(GameLauncher.java:616) [launcher.jar:?]
at net.minecraft.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:120) [launcher.jar:?]
at net.minecraft.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:12) [launcher.jar:?]
at net.minecraft.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:89) [launcher.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439) [?:1.6.0_65]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [?:1.6.0_65]
at java.util.concurrent.FutureTask.run(FutureTask.java:138) [?:1.6.0_65]
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [?:1.6.0_65]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [?:1.6.0_65]
at java.lang.Thread.run(Thread.java:695) [?:1.6.0_65]