: Reference map '' for could not be read. If this is a development environment you can ignore this message : Launching target 'fmlclient' with arguments : : line 1:0 token recognition error at: '~' : : line 13:0 token recognition error at: '`' : SpongePowered MIXIN Subsystem Version=0.8.4 Source=file:/C:/Users/Kamil/curseforge/minecraft/Install/libraries/org/spongepowered/mixin/0.8.4/mixin-0.8.4.jar Service=ModLauncher Env=CLIENT : Added Lets Encrypt root certificates as additional trust : LEGACY JDK DETECTED, SECURED JAR HANDLING DISABLED