You are seeing this error because the action samples is not defined in controller PuzzlesController
Notice: this error is being rendered by the app/views/errors/missing_action.thtml view file, a user-customizable error page for handling invalid action dispatches.
Fatal: Create Method:
class PuzzlesController extends AppController
in file : app/controllers/puzzles_controller.php
Error: Unable to execute action samples in PuzzlesController