Default quiz category must have a stamp

diff --git a/mod/quiz/lib.php b/mod/quiz/lib.php
index 346971c46f8950f6b01542a15babda7ca0e8e0a5..80d8e3059318a3eea9004f4cc5fda0be6ad8399e 100644 (file)
--- a/mod/quiz/lib.php
+++ b/mod/quiz/lib.php
@@ -1019,6 +1019,7 @@ function quiz_get_default_category($courseid) {
     $category->info = get_string("defaultinfo", "quiz");
     $category->course = $courseid;
     $category->publish = 0;
+    $category->stamp = make_unique_id_code();
 
     if (!$category->id = insert_record("quiz_categories", $category)) {
         notify("Error creating a default category!");