Sindice - JSONObject["explicit_content"] not found

[kolen]

When trying to reconcile against Sindice, I always get JSONObject["explicit_content"] not found error. When both specifying domain or not.

Refine 2.6-beta.1
RDF extension 0.8.0

18:34:34.388 [..ctReconciliationService] error reconciling 'Faith and the Muse' (27835ms)
java.lang.RuntimeException: error reconciling Faith and the Muse using Sindice
    at org.deri.grefine.reconcile.sindice.SindiceService.reconcile(SindiceService.java:90)
    at org.deri.grefine.reconcile.model.AbstractReconciliationService.reconcile(AbstractReconciliationService.java:48)
    at org.deri.grefine.reconcile.ServiceRegistry.multiReconcile(ServiceRegistry.java:117)
    at org.deri.grefine.reconcile.GRefineServiceManager.multiReconcile(GRefineServiceManager.java:94)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:161)
    at org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:247)
    at org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
    at org.mozilla.javascript.gen.c2._c5(file:/Users/kolen/Library/Application%20Support/OpenRefine/extensions/rdf-extension/MOD-INF/controller.js:204)
    at org.mozilla.javascript.gen.c2.call(file:/Users/kolen/Library/Application%20Support/OpenRefine/extensions/rdf-extension/MOD-INF/controller.js)
    at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:398)
    at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3065)
    at org.mozilla.javascript.gen.c2.call(file:/Users/kolen/Library/Application%20Support/OpenRefine/extensions/rdf-extension/MOD-INF/controller.js)
    at edu.mit.simile.butterfly.ButterflyModuleImpl$Controller.process(ButterflyModuleImpl.java:399)
    at edu.mit.simile.butterfly.ButterflyModuleImpl$Controller.run(ButterflyModuleImpl.java:377)
    at org.mozilla.javascript.Context.call(Context.java:515)
    at org.mozilla.javascript.ContextFactory.call(ContextFactory.java:507)
    at edu.mit.simile.butterfly.ButterflyModuleImpl.processScript(ButterflyModuleImpl.java:650)
    at edu.mit.simile.butterfly.ButterflyModuleImpl.process(ButterflyModuleImpl.java:427)
    at edu.mit.simile.butterfly.Butterfly.service(Butterfly.java:516)
    at com.google.refine.RefineServlet.service(RefineServlet.java:200)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
    at org.mortbay.servlet.UserAgentFilter.doFilter(UserAgentFilter.java:81)
    at org.mortbay.servlet.GzipFilter.doFilter(GzipFilter.java:155)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
    at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
    at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
    at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
    at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
    at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
    at org.mortbay.jetty.Server.handle(Server.java:326)
    at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
    at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938)
    at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
    at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
    at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:724)
Caused by: org.json.JSONException: JSONObject["explicit_content"] not found.
    at org.json.JSONObject.get(JSONObject.java:406)
    at org.json.JSONObject.getJSONArray(JSONObject.java:482)
    at org.deri.grefine.reconcile.sindice.SindiceBroker.getModelForUrl(SindiceBroker.java:65)
    at org.deri.grefine.reconcile.sindice.SindiceService.reconcile(SindiceService.java:78)
    ... 45 more