Fatal error: Uncaught Error: Undefined constant "’session" in /home/ypnu/domains/ypnu.ir/public_html/saba/saba_general_functions.php:5 Stack trace: #0 /home/ypnu/domains/ypnu.ir/public_html/saba/s.compose.php(2): require() #1 {main} thrown in /home/ypnu/domains/ypnu.ir/public_html/saba/saba_general_functions.php on line 5