Fatal error: Uncaught Error: Call to undefined function env() in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendor/srmklive/paypal/config/config.php:8 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendor/srmklive/paypal/config/config.php on line 8