Warning: Undefined variable $lang in /home/botarium/botarium.org/core/router.php on line 24

Fatal error: Uncaught Error: Undefined constant "DOCUMENT_ROOT" in /home/botarium/botarium.org/core/router.php:69 Stack trace: #0 /home/botarium/botarium.org/index.php(8): include() #1 {main} thrown in /home/botarium/botarium.org/core/router.php on line 69