2013-12-16 10:14:17,544 ERROR info.magnolia.module.InstallContextImpl           : > Error while installing or updating form module. Task 'Confirm mail type' failed. (NullPointerException: )
java.lang.NullPointerException
	at info.magnolia.module.delta.BootstrapFileUtil.getElementAsStream(BootstrapFileUtil.java:104)
	at info.magnolia.module.delta.PartialBootstrapTask.getNodeStream(PartialBootstrapTask.java:120)
	at info.magnolia.module.delta.PartialBootstrapTask.execute(PartialBootstrapTask.java:108)
	at info.magnolia.module.ModuleManagerImpl.applyDeltas(ModuleManagerImpl.java:512)
	at info.magnolia.module.ModuleManagerImpl.installOrUpdateModule(ModuleManagerImpl.java:494)
	at info.magnolia.module.ModuleManagerImpl$1.doExec(ModuleManagerImpl.java:277)
	at info.magnolia.context.MgnlContext$VoidOp.exec(MgnlContext.java:415)
	at info.magnolia.context.MgnlContext$VoidOp.exec(MgnlContext.java:412)
	at info.magnolia.context.MgnlContext.doInSystemContext(MgnlContext.java:386)
	at info.magnolia.module.ModuleManagerImpl.performInstallOrUpdate(ModuleManagerImpl.java:271)
	at info.magnolia.module.ui.ModuleManagerWebUI$2.run(ModuleManagerWebUI.java:127)
	at java.lang.Thread.run(Thread.java:662)