[B#900] java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
[B#900] 	at java.util.ArrayList.rangeCheck(Unknown Source)
[B#900] 	at java.util.ArrayList.get(Unknown Source)
[B#900] 	at net.technicpack.minecraftcore.mojang.java.JavaRuntimes.getRuntimeForCurrentOS(JavaRuntimes.java:71)
[B#900] 	at net.technicpack.minecraftcore.install.tasks.EnsureJavaRuntimeManifestTask.runTask(EnsureJavaRuntimeManifestTask.java:86)
[B#900] 	at net.technicpack.launchercore.install.tasks.TaskGroup.runTask(TaskGroup.java:85)
[B#900] 	at net.technicpack.launchercore.install.InstallTasksQueue.runAllTasks(InstallTasksQueue.java:49)
[B#900] 	at net.technicpack.launchercore.install.ModpackInstaller.installPack(ModpackInstaller.java:42)
[B#900] 	at net.technicpack.launcher.launch.Installer.lambda$internalInstallAndRun$0(Installer.java:122)
[B#900] 	at java.lang.Thread.run(Unknown Source)