When I'm opening my modpack to play, the launcher crash. Please Help Me

[Alextutorial01]

This is the crash "report" in the console:

[b#439] Expected MD5: a3da457dd2a94c41d4cb18f833825552 Calculated MD5: a3da457dd2a94c41d4cb18f833825552

[b#439] Expected MD5: d21c2a06a4e6b175aa01e328f38a1182 Calculated MD5: d21c2a06a4e6b175aa01e328f38a1182

[b#439] Expected MD5: d7e1ab8fc389a50f2b4bb4a6bebc9e1c Calculated MD5: d7e1ab8fc389a50f2b4bb4a6bebc9e1c

[b#439] Expected MD5: 8fc4d4e0129244f9fd39650c5f30feb2 Calculated MD5: 8fc4d4e0129244f9fd39650c5f30feb2

[b#439] Expected MD5: aec124acf7b3c1c6ed41a6270a4452b8 Calculated MD5: aec124acf7b3c1c6ed41a6270a4452b8

[b#439] Expected MD5: 1372bd4823bb1ef61e7db6724f601150 Calculated MD5: 1372bd4823bb1ef61e7db6724f601150

[b#439] Expected MD5: a3e3c3186e41c4a1a3027ba2bb23cdc6 Calculated MD5: a3e3c3186e41c4a1a3027ba2bb23cdc6

[b#439] Expected MD5: 0d622e2ac4368b5a33d540a9e4819e0c Calculated MD5: 0d622e2ac4368b5a33d540a9e4819e0c

[b#439] Expected MD5: f6a93b7eb8083e4ced92e7e253657057 Calculated MD5: f6a93b7eb8083e4ced92e7e253657057

[b#439] Expected MD5: 247b45f9d2f0071ad543c14d0ff31d5c Calculated MD5: 247b45f9d2f0071ad543c14d0ff31d5c

[b#439] Expected MD5: 93730cef2e75762c5a1431c6d7a0c78e Calculated MD5: 93730cef2e75762c5a1431c6d7a0c78e

[b#439] Expected MD5: 6d9d7d6c163caf74984465694d3566e7 Calculated MD5: 6d9d7d6c163caf74984465694d3566e7

[b#439] Expected MD5: ec0ec0f03adcc9800cbda8cbc2dc6560 Calculated MD5: ec0ec0f03adcc9800cbda8cbc2dc6560

[b#439] Expected MD5: 2c10bb2ca3ac8b55b0e77e54a7eb3744 Calculated MD5: 2c10bb2ca3ac8b55b0e77e54a7eb3744

[b#439] Expected MD5: 71b48e6b3e1b1dc73fe705604b9c7584 Calculated MD5: 71b48e6b3e1b1dc73fe705604b9c7584

[b#439] Expected MD5: 7f97854dc04c119d461fed14f5d8bb96 Calculated MD5: 7f97854dc04c119d461fed14f5d8bb96

[b#439] Expected MD5: cc07d371f79dc4ed2239e1101ae06313 Calculated MD5: cc07d371f79dc4ed2239e1101ae06313

[b#439] Expected MD5: f60976b19661c849c5c87433045a9885 Calculated MD5: f60976b19661c849c5c87433045a9885

[b#439] Expected MD5: 2f54fc24807a4cad7297012dd8cebf3d Calculated MD5: 2f54fc24807a4cad7297012dd8cebf3d

[b#439] Expected MD5: 970cf418018408e2c5083fd758aa270b Calculated MD5: 970cf418018408e2c5083fd758aa270b

[b#439] Expected MD5: 243049406066e313938e168335069d32 Calculated MD5: 243049406066e313938e168335069d32

[b#439] Expected MD5: 152ecb3ce094ac5bc9ea39d6122e2814 Calculated MD5: 152ecb3ce094ac5bc9ea39d6122e2814

[b#439] Expected MD5: ce74486a7687ad7ea91dcc1fcd6977b8 Calculated MD5: ce74486a7687ad7ea91dcc1fcd6977b8

[b#439] Expected MD5: 6a0eeaf3451ed9646b7d61a9dd8b86cc Calculated MD5: 6a0eeaf3451ed9646b7d61a9dd8b86cc

[b#439] Expected MD5: 30e99b9386040f387fd94c26c1ac64d3 Calculated MD5: 30e99b9386040f387fd94c26c1ac64d3

[b#439] Expected MD5: b168b014be0186d9e95bf3d263e3a129 Calculated MD5: b168b014be0186d9e95bf3d263e3a129

[b#439] Running C:Program FilesJavajre7binjavaw.exe -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx6144m -XX:MaxPermSize=256m -Djava.library.path=C:UsersAlessandroAppDataRoaming.technicmodpackszalex-moddedpackbinnatives -Dfml.core.libraries.mirror=http://mirror.technicpack.net/Technic/lib/fml/%s -Dminecraft.applet.TargetDirectory=C:UsersAlessandroAppDataRoaming.technicmodpackszalex-moddedpack -cp C:UsersAlessandroAppDataRoaming.techniccachenetminecraftlaunchwrapper1.9launchwrapper-1.9.jar;C:UsersAlessandroAppDataRoaming.techniccacheorgow2asmasm-all4.1asm-all-4.1.jar;C:UsersAlessandroAppDataRoaming.techniccacheorgscala-langscala-library2.10.2scala-library-2.10.2.jar;C:UsersAlessandroAppDataRoaming.techniccacheorgscala-langscala-compiler2.10.2scala-compiler-2.10.2.jar;C:UsersAlessandroAppDataRoaming.techniccachejava3dvecmath1.3.1vecmath-1.3.1.jar;C:UsersAlessandroAppDataRoaming.techniccachenetsftrove4jtrove4j3.0.3trove4j-3.0.3.jar;C:UsersAlessandroAppDataRoaming.techniccachecomibmicuicu4j-core-mojang51.2icu4j-core-mojang-51.2.jar;C:UsersAlessandroAppDataRoaming.techniccachenetsfjopt-simplejopt-simple4.5jopt-simple-4.5.jar;C:UsersAlessandroAppDataRoaming.techniccachelzmalzma0.0.1lzma-0.0.1.jar;C:UsersAlessandroAppDataRoaming.techniccachecompaulscodecodecjorbis20101023codecjorbis-20101023.jar;C:UsersAlessandroAppDataRoaming.techniccachecompaulscodecodecwav20101023codecwav-20101023.jar;C:UsersAlessandroAppDataRoaming.techniccachecompaulscodelibraryjavasound20101123libraryjavasound-20101123.jar;C:UsersAlessandroAppDataRoaming.techniccachecompaulscodelibrarylwjglopenal20100824librarylwjglopenal-20100824.jar;C:UsersAlessandroAppDataRoaming.techniccachecompaulscodesoundsystem20120107soundsystem-20120107.jar;C:UsersAlessandroAppDataRoaming.techniccacheionettynetty-all4.0.10.Finalnetty-all-4.0.10.Final.jar;C:UsersAlessandroAppDataRoaming.techniccachecomgoogleguavaguava15.0guava-15.0.jar;C:UsersAlessandroAppDataRoaming.techniccacheorgapachecommonscommons-lang33.1commons-lang3-3.1.jar;C:UsersAlessandroAppDataRoaming.techniccachecommons-iocommons-io2.4commons-io-2.4.jar;C:UsersAlessandroAppDataRoaming.techniccachenetjavajinputjinput2.0.5jinput-2.0.5.jar;C:UsersAlessandroAppDataRoaming.techniccachenetjavajutilsjutils1.0.0jutils-1.0.0.jar;C:UsersAlessandroAppDataRoaming.techniccachecomgooglecodegsongson2.2.4gson-2.2.4.jar;C:UsersAlessandroAppDataRoaming.techniccachecommojangauthlib1.3authlib-1.3.jar;C:UsersAlessandroAppDataRoaming.techniccacheorgapachelogginglog4jlog4j-api2.0-beta9log4j-api-2.0-beta9.jar;C:UsersAlessandroAppDataRoaming.techniccacheorgapachelogginglog4jlog4j-core2.0-beta9log4j-core-2.0-beta9.jar;C:UsersAlessandroAppDataRoaming.techniccacheorglwjgllwjgllwjgl2.9.0lwjgl-2.9.0.jar;C:UsersAlessandroAppDataRoaming.techniccacheorglwjgllwjgllwjgl_util2.9.0lwjgl_util-2.9.0.jar;C:UsersAlessandroAppDataRoaming.technicmodpackszalex-moddedpackbinminecraft.jar net.minecraft.launchwrapper.Launch --username Alextutorial01 --version 1.7.2-Forge10.12.1.1060 --gameDir C:UsersAlessandroAppDataRoaming.technicmodpackszalex-moddedpack --assetsDir C:UsersAlessandroAppDataRoaming.technicassetsvirtuallegacy --uuid 6a3394cfa0454fb1aca15df45a8a1431 --accessToken d688c903a079486caa7704c9de4811de --tweakClass cpw.mods.fml.common.launcher.FMLTweaker --title zAlex ModdedPack --icon C:UsersAlessandroAppDataRoaming.technicassets/packs/zalex-moddedpack/icon.png

[b#439] Analytics Response [runModpack]: 200

[b#439]  [13:35:15] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker

[b#439]  [13:35:15] [main/ERROR]: Unable to launch

[b#439]  java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker

[b#439]   at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_55]

[b#439]   at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_55]

[b#439]   at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_55]

[b#439]   at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.7.0_55]

[b#439]   at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_55]

[b#439]   at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.7.0_55]

[b#439]   at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_55]

[b#439]   at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:104) ~[launchwrapper-1.9.jar:?]

[b#439]   at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_55]

[b#439]   at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_55]

[b#439]   at java.lang.Class.forName0(Native Method) ~[?:1.7.0_55]

[b#439]   at java.lang.Class.forName(Unknown Source) ~[?:1.7.0_55]

[b#439]   at net.minecraft.launchwrapper.Launch.launch(Launch.java:97) [launchwrapper-1.9.jar:?]

[b#439]   at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]

[b#439]  Picked up _JAVA_OPTIONS: -Xmx512M