[Cant install forge (Minecraft)]

Error

Exception in thread "main" java.lang.ExceptionInInitializerError
	at net.minecraftforge.installer.ClientInstall.getSponsorMessage(ClientInstall.java:401)
	at net.minecraftforge.installer.InstallerAction.getSponsorMessage(InstallerAction.java:60)
	at net.minecraftforge.installer.InstallerPanel.updateFilePath(InstallerPanel.java:334)
	at net.minecraftforge.installer.InstallerPanel.<init>(InstallerPanel.java:315)
	at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:164)
	at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
	at net.minecraftforge.installer.MirrorData.buildMirrorList(MirrorData.java:84)
	at net.minecraftforge.installer.MirrorData.<init>(MirrorData.java:63)
	at net.minecraftforge.installer.MirrorData.<clinit>(MirrorData.java:17)
	... 6 more