MetaType: NPE in ServiceTracker for fragment bundle

An NPE occurs when calling up the "Config" page of Felix WebConsole 4.0.0 when there are fragment bundles:

10:20:08,839|ERROR| qtp521679231-100 | ? ? | 249 | %configMgr.pluginTitle: listFactoryConfigurations: Unexpected problem encountered
java.lang.NullPointerException
at org.osgi.util.tracker.ServiceTracker.<init>(ServiceTracker.java:197)[org.apache.felix.framework-4.0.3.jar:]
at org.osgi.util.tracker.ServiceTracker.<init>(ServiceTracker.java:268)[org.apache.felix.framework-4.0.3.jar:]
at org.apache.felix.metatype.internal.MetaTypeProviderTracker.<init>(MetaTypeProviderTracker.java:36)
at org.apache.felix.metatype.internal.MetaTypeInformationImpl.<init>(MetaTypeInformationImpl.java:74)
at org.apache.felix.metatype.internal.ServiceMetaTypeInformation.<init>(ServiceMetaTypeInformation.java:79)
at org.apache.felix.metatype.internal.MetaTypeServiceImpl.getMetaTypeInformation(MetaTypeServiceImpl.java:130)
at org.apache.felix.webconsole.internal.compendium.ConfigManagerBase.getObjectClassDefinitions(ConfigManagerBase.java:121)[263:org.apache.felix.webconsole:4.0.0]
at org.apache.felix.webconsole.internal.compendium.ConfigManagerBase.getFactoryPidObjectClasses(ConfigManagerBase.java:95)[263:org.apache.felix.webconsole:4.0.0]
at org.apache.felix.webconsole.internal.compendium.ConfigManager.listFactoryConfigurations(ConfigManager.java:437)[263:org.apache.felix.webconsole:4.0.0]
at org.apache.felix.webconsole.internal.compendium.ConfigManager.renderContent(ConfigManager.java:375)[263:org.apache.felix.webconsole:4.0.0]
at org.apache.felix.webconsole.AbstractWebConsolePlugin.doGet(AbstractWebConsolePlugin.java:155)[263:org.apache.felix.webconsole:4.0.0]
at org.apache.felix.webconsole.internal.compendium.ConfigManager.doGet(ConfigManager.java:309)[263:org.apache.felix.webconsole:4.0.0]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)[32:org.apache.geronimo.specs.geronimo-servlet_2.5_spec:1.1.2]