InterimController Error

Message: Call to undefined function imagecreatefrompng()
File: /home/ayna/public_html/guvenlik.php:9

Stack Trace:

#0 /home/ayna/public_html/app/Controller/InterimController.php(70): include()
#1 /home/ayna/public_html/vendor/symfony/http-kernel/HttpKernel.php(163): Bieticaret\Controller\InterimController->provider()
#2 /home/ayna/public_html/vendor/symfony/http-kernel/HttpKernel.php(75): Symfony\Component\HttpKernel\HttpKernel->handleRaw()
#3 /home/ayna/public_html/app/Routes.php(54): Symfony\Component\HttpKernel\HttpKernel->handle()
#4 /home/ayna/public_html/index.php(64): require_once('/home/ayna/publ...')
#5 {main}