laravel on cpanel raise error for autoload_real.php on line 66

i am new to laravel and i run my website on localhost run correct but when upload it on cpanel raise these errors

Warning: require(/home/didfilei/public_html/app/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php): failed to open stream: No such file or directory in /home/didfilei/public_html/app/vendor/composer/autoload_real.php on line 66

Warning: require(/home/didfilei/public_html/app/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php): failed to open stream: No such file or directory in /home/didfilei/public_html/app/vendor/composer/autoload_real.php on line 66

Fatal error: require(): Failed opening required '/home/didfilei/public_html/app/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php' (include_path='.:/opt/cpanel/ea-php71/root/usr/share/pear') in /home/didfilei/public_html/app/vendor/composer/autoload_real.php on line 66

please help me...

from Newest questions tagged laravel-5 - Stack Overflow https://ift.tt/2u75iiZ
via IFTTT