lib/gooddata/models/metadata/metric.rb in gooddata-0.6.4 vs lib/gooddata/models/metadata/metric.rb in gooddata-0.6.5

@@ -106,10 +106,10 @@
       end
     end
 
     def execute
       res = GoodData::ReportDefinition.execute(:left => self)
-      res[0][0]
+      res && res[0][0]
     end
 
     def expression
       content['expression']
     end