Fatal error: Uncaught Error: Undefined constant "Patchwork\Utf8\MB_OVERLOAD_STRING" in /home/hpad7zcx6qp8/migrated_webspace/www/contao/vendor/patchwork/utf8/src/Patchwork/Utf8/Bootup.php:45 Stack trace: #0 /home/hpad7zcx6qp8/migrated_webspace/www/contao/vendor/patchwork/utf8/src/Patchwork/Utf8/Bootup.php(26): Patchwork\Utf8\Bootup::initMbstring() #1 /home/hpad7zcx6qp8/migrated_webspace/www/contao/vendor/contao/core-bundle/src/Resources/functions/utf8_bootup.php(11): Patchwork\Utf8\Bootup::initAll() #2 /home/hpad7zcx6qp8/migrated_webspace/www/contao/vendor/composer/autoload_real.php(66): require('/home/hpad7zcx6...') #3 /home/hpad7zcx6qp8/migrated_webspace/www/contao/vendor/composer/autoload_real.php(56): composerRequire80694821d5f754b60fcaf01eff5dc4f1() #4 /home/hpad7zcx6qp8/migrated_webspace/www/contao/vendor/autoload.php(7): ComposerAutoloaderInit80694821d5f754b60fcaf01eff5dc4f1::getLoader() #5 /home/hpad7zcx6qp8/migrated_webspace/www/contao/web/app.php(20): require('/home/hpad7zcx6...') #6 {main} thrown in /home/hpad7zcx6qp8/migrated_webspace/www/contao/vendor/patchwork/utf8/src/Patchwork/Utf8/Bootup.php on line 45