composer update issue laravel 4.2 -

composer update issue laravel 4.2 -

update composer lastly night code working on xampp local pc when upload on server centos 7 blank page appear , log error. code working before update composer update on server centos 7. please give suggestion.

[mon oct 13 04:34:00.611556 2014] [:error] [pid 26259] [client 125.209.84.194:2710] php warning: require(/home/test/public_html/vendor/laravel/framework/src/illuminate/support/helpers.php): failed open stream: no such file or directory in /home/test/public_html/vendor/composer/autoload_real.php on line 58 [mon oct 13 04:34:00.611746 2014] [:error] [pid 26259] [client 125.209.84.194:2710] php fatal error: require(): failed opening required '/home/test/public_html/vendor/laravel/framework/src/illuminate/support/helpers.php' (include_path='/home/test/public_html/vendor/phpseclib/phpseclib/phpseclib:.:/usr/share/pear:/usr/share/php') in /home/test/public_html/vendor/composer/autoload_real.php on line 58

delete vender folder , composer.lock file

now run composer install , upload finish code on server

laravel laravel-4 centos composer-php centos7