GradleStart Client startup error

gistfile1.txt

"C:\Program Files\Java\jdk1.7.0_51\bin\java" -Xincgc -Xmx1024M -Xms1024M -Djava.library.path=D:/Development/Minecraft/Signal-Mod\build\natives -Dfml.ignoreInvalidMinecraftCertificates=true -Didea.launcher.port=7532 "-Didea.launcher.bin.path=D:\Programma's\JetBrains\IntelliJ IDEA 13.1.1\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.7.0_51\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\jce.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\jfxrt.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\resources.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\rt.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.7.0_51\jre\lib\ext\zipfs.jar;D:\Development\Minecraft\Signal-Mod\out\production\Signal-Mod;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\codechicken\CodeChickenLib\1.7.10-1.1.1.93\61daaf67ffbde1a228be57fd7fa224227bd27542\CodeChickenLib-1.7.10-1.1.1.93-dev.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\codechicken\ForgeMultipart\1.7.10-1.1.0.296\55801b89e56f4e3f7be5b2638873c7b91273e21b\ForgeMultipart-1.7.10-1.1.0.296-dev.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\codechicken\CodeChickenCore\1.7.10-1.0.1.8\c29af052b0923f909400b764cce67d6f54f1b974\CodeChickenCore-1.7.10-1.0.1.8-dev.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\codechicken\NotEnoughItems\1.7.10-1.0.2.15\4d2e0d480d932b422dca68bf7a008655f845b860\NotEnoughItems-1.7.10-1.0.2.15-dev.jar;C:\Users\Marc\.gradle\caches\minecraft\net\minecraftforge\forge\1.7.10-10.13.0.1180\forgeSrc-1.7.10-10.13.0.1180.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\net.minecraft\launchwrapper\1.9\116f2aad5b0c68353ebed66cd463517db6522f7e\launchwrapper-1.9.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.ow2.asm\asm-debug-all\4.1\dd6ba5c392d4102458494e29f54f70ac534ec2a2\asm-debug-all-4.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\com.typesafe.akka\akka-actor_2.11\2.3.3\ed62e9fc709ca0f2ff1a3220daa8b70a2870078e\akka-actor_2.11-2.3.3.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\com.typesafe\config\1.2.1\f771f71fdae3df231bcd54d5ca2d57f0bf93f467\config-1.2.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.scala-lang\scala-actors-migration_2.11\1.1.0\dfa8bc42b181d5b9f1a5dd147f8ae308b893eb6f\scala-actors-migration_2.11-1.1.0.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.scala-lang\scala-compiler\2.11.1\56ea2e6c025e0821f28d73ca271218b8dd04926a\scala-compiler-2.11.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.scala-lang.plugins\scala-continuations-library_2.11\1.0.2\e517c53a7e9acd6b1668c5a35eccbaa3bab9aac\scala-continuations-library_2.11-1.0.2.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.scala-lang.plugins\scala-continuations-plugin_2.11.1\1.0.2\f361a3283452c57fa30c1ee69448995de23c60f7\scala-continuations-plugin_2.11.1-1.0.2.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.scala-lang\scala-library\2.11.1\e11da23da3eabab9f4777b9220e60d44c1aab6a\scala-library-2.11.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.scala-lang\scala-parser-combinators_2.11\1.0.1\f05d7345bf5a58924f2837c6c1f4d73a938e1ff0\scala-parser-combinators_2.11-1.0.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.scala-lang\scala-reflect\2.11.1\6580347e61cc7f8e802941e7fde40fa83b8badeb\scala-reflect-2.11.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.scala-lang\scala-swing_2.11\1.0.1\b1cdd92bd47b1e1837139c1c53020e86bb9112ae\scala-swing_2.11-1.0.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.scala-lang\scala-xml_2.11\1.0.2\7a80ec00aec122fba7cd4e0d4cdd87ff7e4cb6d0\scala-xml_2.11-1.0.2.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\net.sf.jopt-simple\jopt-simple\4.5\6065cc95c661255349c1d0756657be17c29a4fd3\jopt-simple-4.5.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\lzma\lzma\0.0.1\521616dc7487b42bef0e803bd2fa3faf668101d7\lzma-0.0.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\com.mojang\realms\1.3.1\f78f5a841b1cf9d50c3382acdbeb7d3078e454d6\realms-1.3.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.apache.commons\commons-compress\1.8.1\a698750c16740fd5b3871425f4cb3bbaa87f529d\commons-compress-1.8.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.apache.httpcomponents\httpclient\4.3.3\18f4247ff4572a074444572cee34647c43e7c9c7\httpclient-4.3.3.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\commons-logging\commons-logging\1.1.3\f6f66e966c70a83ffbdb6f17a0919eaf7c8aca7f\commons-logging-1.1.3.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\org.apache.httpcomponents\httpcore\4.3.2\31fbbff1ddbf98f3aa7377c94d33b0447c646b6e\httpcore-4.3.2.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\java3d\vecmath\1.3.1\a0ae4f51da409fa0c20fa0ca59e6bbc9413ae71d\vecmath-1.3.1.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\net.sf.trove4j\trove4j\3.0.3\42ccaf4761f0dfdfa805c9e340d99a755907e2dd\trove4j-3.0.3.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\com.ibm.icu\icu4j-core-mojang\51.2\63d216a9311cca6be337c1e458e587f99d382b84\icu4j-core-mojang-51.2.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\com.paulscode\codecjorbis\20101023\c73b5636faf089d9f00e8732a829577de25237ee\codecjorbis-20101023.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\com.paulscode\codecwav\20101023\12f031cfe88fef5c1dd36c563c0a3a69bd7261da\codecwav-20101023.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\com.paulscode\libraryjavasound\20101123\5c5e304366f75f9eaa2e8cca546a1fb6109348b3\libraryjavasound-20101123.jar;C:\Users\Marc\.gradle\caches\modules-2\files-2.1\com.paulscode\librarylwjglopenal\20100824\73e80d0794c39665aec3f62ee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IDEA 13.1.1\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain GradleStart
[19:54:58] [main/INFO] [GradleStart]: No arguments specified, assuming client.
Exception in thread "main" java.lang.RuntimeException: java.io.FileNotFoundException: C:\Users\Marc\.gradle\caches\minecraft\assets\indexes\{ASSET_INDEX}.json (The system cannot find the file specified)
	at com.google.common.base.Throwables.propagate(Throwables.java:160)
	at GradleStart.setupAssets(GradleStart.java:274)
	at GradleStart.startClient(GradleStart.java:82)
	at GradleStart.main(GradleStart.java:56)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Caused by: java.io.FileNotFoundException: C:\Users\Marc\.gradle\caches\minecraft\assets\indexes\{ASSET_INDEX}.json (The system cannot find the file specified)
	at java.io.FileInputStream.open(Native Method)
	at java.io.FileInputStream.<init>(FileInputStream.java:146)
	at java.io.FileReader.<init>(FileReader.java:72)
	at GradleStart.loadAssetsIndex(GradleStart.java:280)
	at GradleStart.setupAssets(GradleStart.java:218)
	... 7 more
[19:54:59] [main/INFO] [GradleStart]: Extra: []

Process finished with exit code 1