Fatal error: Uncaught Error: Undefined constant "Patchwork\Utf8\MB_OVERLOAD_STRING" in /var/www/web136926/html/sites/seifenblasenmann/seifenblasen-forum/vendor/patchwork/utf8/src/Patchwork/Utf8/Bootup.php:45
Stack trace:
#0 /var/www/web136926/html/sites/seifenblasenmann/seifenblasen-forum/includes/utf/utf_tools.php(28): Patchwork\Utf8\Bootup::initMbstring()
#1 /var/www/web136926/html/sites/seifenblasenmann/seifenblasen-forum/common.php(97): require('/var/www/web136...')
#2 /var/www/web136926/html/sites/seifenblasenmann/seifenblasen-forum/viewforum.php(20): include('/var/www/web136...')
#3 {main}
thrown in /var/www/web136926/html/sites/seifenblasenmann/seifenblasen-forum/vendor/patchwork/utf8/src/Patchwork/Utf8/Bootup.php on line 45