WIP: missing execution coscine/issues#1425

src/Metadata/RdfStoreConnector.cs

@@ -451,13 +451,14 @@ namespace Coscine.Metadata
         }
 
         // Creates graph if needed (silent disables the "error" for existing graph).
-        public static void EnsureGraph(string graphIri)
+        public void EnsureGraph(string graphIri)
         {
             var commandString = new SparqlParameterizedString
             {
                 CommandText = "CREATE SILENT GRAPH @graphIri"
             };
             commandString.SetUri("graphIri", new Uri(graphIri));
+            QueryEndpoint.QueryRaw(commandString.ToString());
         }
 
         // Find organization by entityId.