Fatal error: Uncaught Error: Call to undefined function require_api() in C:\inetpub\wwwroot\mantis\plugins\MantisCoreFormatting\MantisCoreFormatting.php:21 Stack trace: #0 {main} thrown in C:\inetpub\wwwroot\mantis\plugins\MantisCoreFormatting\MantisCoreFormatting.php on line 21