Fatal error: Uncaught Error: Call to undefined function mb_http_output() in /home/iitmrtbi/public_html/framework/core/Core.php:50 Stack trace: #0 /home/iitmrtbi/public_html/framework/main.php(122): require_once() #1 /home/iitmrtbi/public_html/framework/core/startup/ErrorControlChain.php(125): {closure}(Object(ErrorControlChain)) #2 /home/iitmrtbi/public_html/framework/core/startup/ErrorControlChain.php(117): ErrorControlChain->step() #3 /home/iitmrtbi/public_html/framework/main.php(154): ErrorControlChain->execute() #4 /home/iitmrtbi/public_html/index.php(66): require_once('/home/iitmrtbi/...') #5 {main} thrown in /home/iitmrtbi/public_html/framework/core/Core.php on line 50