Merge branch 'MDL-50341_29' of git://github.com/timhunt/moodle into M…

…OODLE_29_STABLE
moodle · Jun 1, 2015 · f0a7bbc · f0a7bbc
2 parents 3372a99 + 71b448e
commit f0a7bbc
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/question/behaviour/behaviourbase.php b/question/behaviour/behaviourbase.php
@@ -308,7 +308,12 @@ public function classify_response($whichtries = question_attempt::LAST_TRY) {
         } else {
             $stepswithsubmit = $this->qa->get_steps_with_submitted_response_iterator();
             if ($whichtries == question_attempt::FIRST_TRY) {
-                return $this->question->classify_response($stepswithsubmit[1]->get_qt_data());
+                $firsttry = $stepswithsubmit[1];
+                if ($firsttry) {
+                    return $this->question->classify_response($firsttry->get_qt_data());
+                } else {
+                    return $this->question->classify_response(array());
+                }
             } else {
                 $classifiedresponses = array();
                 foreach ($stepswithsubmit as $submittedresponseno => $step) {