[User Warning] popCurrent called on ModelAsController controller, but it wasn't at the top of the stack

Source

445 	}
446 
447 	/**
448 	 * Pop this controller off the top of the stack.
449 	 */
450 	function popCurrent() {
451 		if($this === self::$controller_stack[0]) {
452 			array_shift(self::$controller_stack);
453 		} else {
454 			user_error("popCurrent called on $this->class controller, but it wasn't at the top of the stack", E_USER_WARNING);
455 		}
456 	}
457 	
458 	/**
459 	 * Redirct to the given URL.
460 	 * It is generally recommended to call Director::redirect() rather than calling this function directly.

Trace

• popCurrent called on ModelAsController controller, but it wasn't at the top of the stack
  Line 454 of Controller.php
• Controller->popCurrent()
  Line 76 of ModelAsController.php
• ModelAsController->handleRequest(SS_HTTPRequest)
  Line 282 of Director.php
• Director::handleRequest(SS_HTTPRequest,Session)
  Line 125 of Director.php
• Director::direct(/tin-tuc/9/samsung-cong-bo-lich-phat-hanh-note-4)
  Line 127 of main.php