Bug fix for when viewing/editing courses with no credits defined.

application/modules/courses/models/CourseModel.php

@@ -78,6 +78,8 @@ class Courses_CourseModel extends Unl_Model
             $record['termsOffered'] = explode(',', $record['termsOffered']);
             $record['campuses'] = explode(',', $record['campuses']);
             $record['activities'] = array();
+            $record['credits'] = array();
+            $record['crosslistings'] = array();
 			$courseId = $record['courseGenerationId'];
 			$courseIds[] = $courseId;
 			$courses[$courseId] = $record;