Fatal error: Uncaught exception 'UnexpectedValueException' with message 'Overloading of string functions using mbstring.func_overload is not supported by phpseclib.' in C:\mfc_portal\vendor\phpseclib\phpseclib\phpseclib\bootstrap.php:11 Stack trace: #0 C:\mfc_portal\vendor\composer\autoload_real.php(70): require() #1 C:\mfc_portal\vendor\composer\autoload_real.php(60): composerRequire9f9b97a157a84de3777545773e024d5d('decc78cc4436b12...', 'C:\\mfc_portal\\v...') #2 C:\mfc_portal\vendor\autoload.php(7): ComposerAutoloaderInit9f9b97a157a84de3777545773e024d5d::getLoader() #3 C:\mfc_portal\web\index.php(6): require('C:\\mfc_portal\\v...') #4 {main} thrown in C:\mfc_portal\vendor\phpseclib\phpseclib\phpseclib\bootstrap.php on line 11