After i launch minecraft using my launcher i always get this error: Unable to initialize main class net.minecraft.client.main.Main
Caused by: java.lang.NoClassDefFoundError: joptsimple/OptionSpec
Minecraft exited with code: 1
After i launch minecraft using my launcher i always get this error: Unable to initialize main class net.minecraft.client.main.Main
Caused by: java.lang.NoClassDefFoundError: joptsimple/OptionSpec
Minecraft exited with code: 1