Fatal error: Uncaught Error: Undefined constant "Patchwork\Utf8\MB_OVERLOAD_STRING" in /srv/www/netsrac/public/WigdalTransport/vendor/patchwork/utf8/src/Patchwork/Utf8/Bootup.php:45
Stack trace:
#0 /srv/www/netsrac/public/WigdalTransport/vendor/patchwork/utf8/src/Patchwork/Utf8/Bootup.php(26): Patchwork\Utf8\Bootup::initMbstring()
#1 /srv/www/netsrac/public/WigdalTransport/vendor/contao/core-bundle/src/Resources/functions/utf8_bootup.php(11): Patchwork\Utf8\Bootup::initAll()
#2 /srv/www/netsrac/public/WigdalTransport/vendor/composer/autoload_real.php(69): require('...')
#3 /srv/www/netsrac/public/WigdalTransport/vendor/composer/autoload_real.php(59): composerRequire33f16b85e80b1a94a25f0e14ffa102fd()
#4 /srv/www/netsrac/public/WigdalTransport/vendor/autoload.php(7): ComposerAutoloaderInit33f16b85e80b1a94a25f0e14ffa102fd::getLoader()
#5 /srv/www/netsrac/public/WigdalTransport/web/app.php(20): require('...')
#6 {main}
thrown in /srv/www/netsrac/public/WigdalTransport/vendor/patchwork/utf8/src/Patchwork/Utf8/Bootup.php on line 45