I downloaded the installer-win file of forge 1.12 to play the modpack "heavens of sorcery", but when i open the forge installer it creates another file that when opened, says this:
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
would love some help on this, also a fair warning im not tech savy in the slightest