Fatal error: Uncaught Error: Undefined constant "CodeIgniter\ENVIRONMENT" in /home/keyifcom/keyifbebesi.com.tr/vendor/codeigniter4/framework/system/CodeIgniter.php:596 Stack trace: #0 /home/keyifcom/keyifbebesi.com.tr/vendor/codeigniter4/framework/system/CodeIgniter.php(207): CodeIgniter\CodeIgniter->bootstrapEnvironment() #1 /home/keyifcom/public_html/index.php(43): CodeIgniter\CodeIgniter->initialize() #2 {main} thrown in /home/keyifcom/keyifbebesi.com.tr/vendor/codeigniter4/framework/system/CodeIgniter.php on line 596