[xwiki-devs] Error installing Social Login Application

All, I am trying to install the social login application, but I receive the following error on install Any ideas? Kr W Failed to get fields for class [org.xwiki.social.authentication.internal.DefaultSocialAuthManager] because the class [Lorg/xwiki/crypto/passwd/PasswordCryptoService;] couldn't be found in the ClassLoader. class java.lang.NoClassDefFoundError: Failed to get fields for class [org.xwiki.social.authentication.internal.DefaultSocialAuthManager] because the class [Lorg/xwiki/crypto/passwd/PasswordCryptoService;] couldn't be found in the ClassLoader. at org.xwiki.component.util.ReflectionUtils.getAllFields(ReflectionUtils.java:71) at org.xwiki.component.annotation.ComponentDescriptorFactory.createComponentDescriptor(ComponentDescriptorFactory.java:132) at org.xwiki.component.annotation.ComponentDescriptorFactory.createComponentDescriptors(ComponentDescriptorFactory.java:105) at org.xwiki.component.annotation.ComponentAnnotationLoader.register(ComponentAnnotationLoader.java:168) at org.xwiki.component.annotation.ComponentAnnotationLoader.initialize(ComponentAnnotationLoader.java:136) at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.loadComponents(JarExtensionHandler.java:149) at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.install(JarExtensionHandler.java:103) at org.xwiki.extension.handler.internal.DefaultExtensionHandlerManager.install(DefaultExtensionHandlerManager.java:85) at org.xwiki.extension.job.internal.AbstractExtensionJob.installExtension(AbstractExtensionJob.java:256) at org.xwiki.extension.job.internal.AbstractExtensionJob.applyAction(AbstractExtensionJob.java:204) at org.xwiki.extension.job.internal.AbstractExtensionJob.applyActions(AbstractExtensionJob.java:151) at org.xwiki.extension.job.internal.InstallJob.runInternal(InstallJob.java:150) at org.xwiki.job.internal.AbstractJob.runInContext(AbstractJob.java:209) at org.xwiki.job.internal.AbstractJob.run(AbstractJob.java:192) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) Finished job of type [install] with identifier [extension/action/org.xwiki.contrib:xwiki-social-login-ui/wiki:xwiki] -- View this message in context: http://xwiki.475771.n2.nabble.com/Error-installing-Social-Login-Application… Sent from the XWiki- Dev mailing list archive at Nabble.com.