Выводит это:Exception in thread "main" joptsimple.UnrecognizedOptionException: 'o' is not a recognized option
at joptsimple.OptionException.unrecognizedOption(OptionException.java:89)
at joptsimple.OptionParser.validateOptionCharacters(OptionParser.java:586)
at joptsimple.OptionParser.handleShortOptionCluster(OptionParser.java:511)
at joptsimple.OptionParser.handleShortOptionToken(OptionParser.java:506)
at joptsimple.OptionParserState$2.handleArgument(OptionParserState.java:59)
at joptsimple.OptionParser.parse(OptionParser.java:433)
at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:32)