Err: Module 'i' is not exists!

578. 
<?php     }
579. 
<?php }
580. 
<?php function _err_router($msg){
581. 
<?php     Global $__module, $__controller, $__action;
582. 
<?php     if(!method_exists('BaseController', 'err404')){
583. 
<?php         err($msg);
584. 
<?php     }else{
585. 
<?php         BaseController::err404($__module, $__controller, $__action, $msg);
586. 
<?php     }
587. 
<?php }
588. 
<?php function _err_handle($errno, $errstr, $errfile, $errline){
77. 
<?php session_name('PTOF');
78. 
<?php session_start();
79. 
<?php 
80. 
<?php if(!empty($__module)){
81. 
<?php     if(!is_available_classname($__module))_err_router("Err: Module '$__module' is not correct!");
82. 
<?php     if(!is_dir(APP_DIR.DS.'protected'.DS.'controller'.DS.$__module))_err_router("Err: Module '$__module' is not exists!");
83. 
<?php }
84. 
<?php if(!is_available_classname($__controller))_err_router("Err: Controller '$controller_name' is not correct!");
85. 
<?php if(!class_exists($controller_name, true))_err_router("Err: Controller '$controller_name' is not exists!");
86. 
<?php if(!method_exists($controller_name, $action_name))_err_router("Err: Method '$action_name' of '$controller_name' is not exists!");
87. 
<?php 
4. 
<?php require(APP_DIR.'/protected/lib/verifier.php');
5. 
<?php require(APP_DIR.'/protected/lib/tree_util.php');
6. 
<?php require(APP_DIR.'/protected/lib/uploader.php');
7. 
<?php //require(APP_DIR.'/protected/lib/Logger.php');
8. 
<?php require(APP_DIR.'/protected/lib/Network.php');
9. 
<?php require(APP_DIR.'/protected/lib/speed.php');