10-20 18:56:15.913: E/AndroidRuntime(6921): FATAL EXCEPTION: SyncAdapterThread-1
10-20 18:56:15.913: E/AndroidRuntime(6921): java.lang.NullPointerException
10-20 18:56:15.913: E/AndroidRuntime(6921): at java.net.URI.parseURI(URI.java:353)
10-20 18:56:15.913: E/AndroidRuntime(6921): at java.net.URI.<init>(URI.java:204)
10-20 18:56:15.913: E/AndroidRuntime(6921): at java.net.URI.create(URI.java:725)
10-20 18:56:15.913: E/AndroidRuntime(6921): at java.net.URI.resolve(URI.java:1239)
10-20 18:56:15.913: E/AndroidRuntime(6921): at at.bitfire.davdroid.webdav.WebDavResource.<init>(WebDavResource.java:95)
10-20 18:56:15.913: E/AndroidRuntime(6921): at at.bitfire.davdroid.resource.RemoteCollection.delete(RemoteCollection.java:114)
10-20 18:56:15.913: E/AndroidRuntime(6921): at at.bitfire.davdroid.syncadapter.SyncManager.synchronize(SyncManager.java:53)
10-20 18:56:15.913: E/AndroidRuntime(6921): at at.bitfire.davdroid.syncadapter.DavSyncAdapter.onPerformSync(DavSyncAdapter.java:56)
10-20 18:56:15.913: E/AndroidRuntime(6921): at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:257)