MDL-11478, fixing a notice

diff --git a/grade/report/grader/preferences_form.php b/grade/report/grader/preferences_form.php
index 164de20a771367e58767eaf59add61e38493d6ef..461e1d5a3cbea093c6db431c01ad6126917e1b21 100644 (file)
--- a/grade/report/grader/preferences_form.php
+++ b/grade/report/grader/preferences_form.php
@@ -109,7 +109,12 @@ class grader_report_preferences_form extends moodleform {
                 if (is_array($type)) {
                     $options = $type;
                     $type = 'select';
-                    $default = $options[$CFG->$full_pref];
+                    // MDL-11478
+                    if (isset($options[$CFG->$full_pref])) {
+                        $default = $options[$CFG->$full_pref];
+                    } else {
+                        $default = ''; 
+                    }
                 } else {
                     $default = $CFG->$full_pref;
                 }