Probleme launcher FTB

[20:56:45] LaunchFrame.main:141: FTBLaunch starting up (version 1.1.4)
[20:56:45] LaunchFrame.main:142: Java version: 1.6.0_37
[20:56:45] LaunchFrame.main:143: Java vendor: Apple Inc.
[20:56:45] LaunchFrame.main:144: Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
[20:56:45] LaunchFrame.main:145: Java specification: Java Virtual Machine Specification version: 1.0 by Sun Microsystems Inc.
[20:56:45] LaunchFrame.main:147: Java vm: Java HotSpot(TM) 64-Bit Server VM version: 20.12-b01-434 by Apple Inc.
[20:56:45] LaunchFrame.main:149: OS: x86_64 Mac OS X 10.7.5
[20:56:45] LocaleUpdater.checkForUpdates:46: [i18n] Checking for updates ...
[20:56:46] DownloadUtils.getStaticCreeperhostLink:95: http://repo.creeperhost.net/static/FTB2/locales
[20:56:46] LocaleUpdater.checkForUpdates:61: [i18n] remoteVer = 9
[20:56:46] LocaleUpdater.updateFiles:26: [i18n] Downloading locale files ...
[20:56:46] DownloadUtils.getCreeperhostLink:59: http://repo.creeperhost.net/direct/FTB2/86c44893bf041ceb10723279b81f4a61/locales.zip
[20:56:47] LocaleUpdater.updateFiles:29: [i18n] Moving files into place ...
[20:56:47] I18N.setupLocale:89: [i18n] Fallback enUS loaded
[20:56:47] I18N.setLocale:124: [i18n] enUS English language file loaded!
[20:56:48] OptionsPane.<init>:159: [i18n] Added 0 enUS to options pane
[20:56:48] OptionsPane.<init>:159: [i18n] Added 1 daDK to options pane
[20:56:48] OptionsPane.<init>:159: [i18n] Added 2 deDE to options pane
[20:56:48] OptionsPane.<init>:159: [i18n] Added 3 esES to options pane
[20:56:48] OptionsPane.<init>:159: [i18n] Added 4 nlNL to options pane
[20:56:48] OptionsPane.<init>:159: [i18n] Added 5 ptBR to options pane
[20:56:48] OptionsPane.<init>:159: [i18n] Added 6 ptPT to options pane
[20:56:48] OptionsPane.<init>:159: [i18n] Added 7 ruRU to options pane
[20:56:48] OptionsPane.<init>:159: [i18n] Added 8 svSE to options pane
[20:56:48] I18N.setLocale:124: [i18n] enUS English language file loaded!
[20:56:48] MapLoader.run:29: loading map information...
[20:56:48] DownloadUtils.getStaticCreeperhostLink:95: http://repo.creeperhost.net/static/FTB2/modpacks.xml
[20:56:48] DownloadUtils.getStaticCreeperhostLink:95: http://repo.creeperhost.net/static/FTB2/maps.xml
[20:56:48] ModpackLoader.run:38: loading modpack information...
[20:56:48] MapLoader.run:41->LaunchFrame$1$1.uncaughtException:210: Unhandled exception in Thread[Thread-5,6,main]: java.lang.AbstractMethodError: org.apache.xerces.dom.DeferredAttrImpl.getTextContent()Ljava/lang/String;
net.ftb.workers.MapLoader.run(MapLoader.java:41)
[20:56:48] ModpackLoader.run:77->LaunchFrame$1$1.uncaughtException:210: Unhandled exception in Thread[Thread-4,6,main]: java.lang.AbstractMethodError: org.apache.xerces.dom.DeferredAttrImpl.getTextContent()Ljava/lang/String;
net.ftb.workers.ModpackLoader.run(ModpackLoader.java:77)
[20:56:49] UpdateChecker.loadInfo:46->LaunchFrame$1$1.uncaughtException:210: Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.AbstractMethodError: org.apache.xerces.dom.DeferredAttrImpl.getTextContent()Ljava/lang/String;
net.ftb.updater.UpdateChecker.loadInfo(UpdateChecker.java:46)
net.ftb.updater.UpdateChecker.<init>(UpdateChecker.java:29)
net.ftb.gui.LaunchFrame$1.run(LaunchFrame.java:223)
java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
java.awt.EventQueue.dispatchEventImpl(EventQueue.java:702)
java.awt.EventQueue.access$400(EventQueue.java:82)
java.awt.EventQueue$2.run(EventQueue.java:663)
java.awt.EventQueue$2.run(EventQueue.java:661)
java.security.AccessController.doPrivileged(Native Method)
java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
java.awt.EventQueue.dispatchEvent(EventQueue.java:672)
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
java.awt.EventDispatchThread.run(EventDispatchThread.java:122)