Error: Can't run version, missing minecraftArguments

When I run my minecraft in snapshot 17w43a, I have this error when my launcher was finished to download folder:

[18:34:29 INFO]: Getting syncinfo for selected version
[18:34:29 INFO]: Queueing library & version downloads
[18:34:29 INFO]: Download job 'Version & Libraries' started (16 threads, 41 files)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-compress\1.8.1\commons-compress-1.8.1.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-jemalloc\3.1.2\lwjgl-jemalloc-3.1.2-natives-windows.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-stb\3.1.2\lwjgl-stb-3.1.2-natives-windows.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-opengl\3.1.2\lwjgl-opengl-3.1.2.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-glfw\3.1.2\lwjgl-glfw-3.1.2-natives-windows.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.5\commons-io-2.5.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\mojang\text2speech\1.10.3\text2speech-1.10.3-natives-windows.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-openal\3.1.2\lwjgl-openal-3.1.2-natives-windows.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\java\dev\jna\platform\3.4.0\platform-3.4.0.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\it\unimi\dsi\fastutil\7.1.0\fastutil-7.1.0.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\5.0.3\jopt-simple-5.0.3.jar for job 'Version & Libraries'... (try 0)
[18:34:29 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\3.1.2\lwjgl-3.1.2-natives-windows.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Download job 'Resources' skipped as there are no files to download
[18:34:31 INFO]: Job 'Resources' finished successfully (took 0:00:00.000)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\it\unimi\dsi\fastutil\7.1.0\fastutil-7.1.0.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\oshi-project\oshi-core\1.1\oshi-core-1.1.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\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 hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-jemalloc\3.1.2\lwjgl-jemalloc-3.1.2.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-opengl\3.1.2\lwjgl-opengl-3.1.2.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-glfw\3.1.2\lwjgl-glfw-3.1.2.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.5\commons-io-2.5.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.8.0\gson-2.8.0.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\java\dev\jna\platform\3.4.0\platform-3.4.0.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\mojang\text2speech\1.10.3\text2speech-1.10.3.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-compress\1.8.1\commons-compress-1.8.1.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\5.0.3\jopt-simple-5.0.3.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-opengl\3.1.2\lwjgl-opengl-3.1.2-natives-windows.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\httpcomponents\httpclient\4.3.3\httpclient-4.3.3.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-opengl\3.1.2\lwjgl-opengl-3.1.2-natives-windows.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.5\commons-lang3-3.5.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-openal\3.1.2\lwjgl-openal-3.1.2-natives-windows.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.5.25\authlib-1.5.25.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-jemalloc\3.1.2\lwjgl-jemalloc-3.1.2-natives-windows.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\mojang\patchy\1.1\patchy-1.1.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\oshi-project\oshi-core\1.1\oshi-core-1.1.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.1.9.Final\netty-all-4.1.9.Final.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\3.1.2\lwjgl-3.1.2-natives-windows.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\3.1.2\lwjgl-3.1.2.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-stb\3.1.2\lwjgl-stb-3.1.2-natives-windows.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\httpcomponents\httpcore\4.3.2\httpcore-4.3.2.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-glfw\3.1.2\lwjgl-glfw-3.1.2-natives-windows.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\java\dev\jna\jna\4.4.0\jna-4.4.0.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\mojang\text2speech\1.10.3\text2speech-1.10.3-natives-windows.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\mojang\text2speech\1.10.3\text2speech-1.10.3.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\commons-logging\commons-logging\1.1.3\commons-logging-1.1.3.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.8.1\log4j-core-2.8.1.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-stb\3.1.2\lwjgl-stb-3.1.2.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.8.0\gson-2.8.0.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-openal\3.1.2\lwjgl-openal-3.1.2.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.8.1\log4j-api-2.8.1.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-jemalloc\3.1.2\lwjgl-jemalloc-3.1.2.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\21.0\guava-21.0.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-stb\3.1.2\lwjgl-stb-3.1.2.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\commons-codec\commons-codec\1.10\commons-codec-1.10.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\3.1.2\lwjgl-3.1.2.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Attempting to download C:\Users\Dorian\AppData\Roaming\.minecraft\versions\17w43a\17w43a.jar for job 'Version & Libraries'... (try 0)
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-glfw\3.1.2\lwjgl-glfw-3.1.2.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\mojang\patchy\1.1\patchy-1.1.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl-openal\3.1.2\lwjgl-openal-3.1.2.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\commons-codec\commons-codec\1.10\commons-codec-1.10.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.5.25\authlib-1.5.25.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\commons-logging\commons-logging\1.1.3\commons-logging-1.1.3.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\httpcomponents\httpcore\4.3.2\httpcore-4.3.2.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.5\commons-lang3-3.5.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.8.1\log4j-api-2.8.1.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\httpcomponents\httpclient\4.3.3\httpclient-4.3.3.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:31 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:32 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\net\java\dev\jna\jna\4.4.0\jna-4.4.0.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:32 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.8.1\log4j-core-2.8.1.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:32 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\21.0\guava-21.0.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:32 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.1.9.Final\netty-all-4.1.9.Final.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:32 INFO]: Finished downloading C:\Users\Dorian\AppData\Roaming\.minecraft\versions\17w43a\17w43a.jar for job 'Version & Libraries': Local file matches hash, using that
[18:34:32 INFO]: Job 'Version & Libraries' finished successfully (took 0:00:03.024)
[18:34:32 INFO]: Launching game
[18:34:32 INFO]: Unpacking natives to C:\Users\Dorian\AppData\Roaming\.minecraft\versions\17w43a\17w43a-natives-473324652873985
[18:34:34 INFO]: Launching in C:\Users\Dorian\AppData\Roaming\.minecraft
[18:34:34 INFO]: Half command: C:\Program Files\Java\jre1.8.0_144\bin\javaw.exe -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -Djava.library.path=C:\Users\Dorian\AppData\Roaming\.minecraft\versions\17w43a\17w43a-natives-473324652873985 -cp [...] 
 1.10.3.jar;C:\Users\Dorian\AppData\Roaming\.minecraft\versions\17w43a\17w43a.jar net.minecraft.client.main.Main
[18:34:34 ERROR]: Can't run version, missing minecraftArguments
[18:34:34 INFO]: Deleting C:\Users\Dorian\AppData\Roaming\.minecraft\versions\17w43a\17w43a-natives-473324652873985