Fatal error: Uncaught Error: Class 'FastRoute\Dispatcher\RegexBasedAbstract' not found in C:\inetpub\wwwroot\mantis\vendor\nikic\fast-route\src\Dispatcher\GroupCountBased.php:5
Stack trace:
#0 {main}
thrown in C:\inetpub\wwwroot\mantis\vendor\nikic\fast-route\src\Dispatcher\GroupCountBased.php on line 5