Logging in...
Beginning authlib authentication attempt
successfully created YggdrasilAuthenticationService
Login complete.
Checking local assets file, for MC version 1.12.2 Please wait!
Using backupLink for mcjsons/versions/1.12.2/1.12.2.json
Setting up native libraries for FTB Revelation v Recommended Version MC 1.12.2
Syncing Assets:
Java Path: C:\Program Files\Java\jre1.8.0_91\bin\javaw.exe
Pack: FTB Revelation 1.12.2
Setting MinMemory to 256
Setting MaxMemory to 7680
Exception in thread "main" com.beust.jcommander.ParameterException: Can only specify option --width once.
	at com.beust.jcommander.ParameterDescription.addValue(ParameterDescription.java:235)
	at com.beust.jcommander.ParameterDescription.addValue(ParameterDescription.java:210)
	at com.beust.jcommander.JCommander.processFixedArity(JCommander.java:867)
	at com.beust.jcommander.JCommander.processFixedArity(JCommander.java:849)
	at com.beust.jcommander.JCommander.parseValues(JCommander.java:721)
	at com.beust.jcommander.JCommander.parse(JCommander.java:281)
	at com.beust.jcommander.JCommander.parse(JCommander.java:264)
	at net.ftb.legacylaunch.Launch.main(Launch.java:41)