You should really redirect before you start page output
  • line 815 of /public/lib/classes/output/core_renderer.php: call to debugging()
  • line 2252 of /public/lib/weblib.php: call to core\output\core_renderer->redirect_message()
  • line 147 of /public/lib/setuplib.php: call to redirect()
  • line 0 of : call to default_exception_handler()