Every time I try to use Forge 1.8 it crashes, and I have no idea how to read crash logs. I have only 1 mod in there so it is most likely the problem, but I don't know exactly what is wrong.
Crash Log:
20:54:02
launcher
Preparing to launch minecraft client for 1.8-forge1.8-11.14.4.1577
20:54:03
launcher
Couldn't get hash for com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar from http://files.minecraftforge.net/maven/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar.sha1: HTTP 404: Not Found
20:54:03
launcher
Couldn't get hash for org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar.sha1: HTTP 404: Not Found
20:54:03
launcher
Couldn't get hash for org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar.sha1: HTTP 404: Not Found
20:54:03
launcher
Couldn't get hash for org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar from http://files.minecraftforge.net/maven/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar.sha1: HTTP 404: Not Found
20:54:03
launcher
Couldn't get hash for org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar from http://files.minecraftforge.net/maven/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar.sha1: HTTP 404: Not Found
20:54:03
launcher
Couldn't get hash for org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar.sha1: HTTP 404: Not Found
20:54:03
launcher
Couldn't get hash for net/minecraftforge/forge/1.8-11.14.4.1577/forge-1.8-11.14.4.1577.jar from http://files.minecraftforge.net/maven/net/minecraftforge/forge/1.8-11.14.4.1577/forge-1.8-11.14.4.1577.jar.sha1: HTTP 404: Not Found
20:54:03
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\net/minecraftforge/forge/1.8-11.14.4.1577/forge-1.8-11.14.4.1577.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:03
launcher
Couldn't get hash for org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar.sha1: HTTP 404: Not Found
20:54:03
launcher
Couldn't get hash for com/typesafe/config/1.2.1/config-1.2.1.jar from http://files.minecraftforge.net/maven/com/typesafe/config/1.2.1/config-1.2.1.jar.sha1: HTTP 404: Not Found
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\com/typesafe/config/1.2.1/config-1.2.1.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Couldn't get hash for org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar.sha1: HTTP 404: Not Found
20:54:04
launcher
Couldn't get hash for 1.8 jar from https://s3.amazonaws.com/Minecraft.Download/versions/1.8/1.8.jar.sha1: HTTP 403: Forbidden
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\versions\1.8/1.8.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Couldn't get hash for org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar.sha1: HTTP 404: Not Found
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Couldn't get hash for org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar.sha1: HTTP 404: Not Found
20:54:04
launcher
Have local file C:/Users\Shelly\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar but don't know what size or hash it should be. Have to assume it's good.
20:54:04
launcher
Checking installations.
20:54:04
launcher
Minecraft client 1.8-forge1.8-11.14.4.1577 requires 18446744073707708896 bytes to download.
20:54:04
launcher
Starting!
20:54:05
launcher
Using default game log configuration client-1.7.xml (outputs XML)
20:54:06
LaunchWrapper
Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker