Fatal error: Uncaught Error: Call to undefined function env() in /home/ispbillingpro/gigabyteinternet.ispbillingpro.com/vendor/karim007/laravel-bkash-tokenize/config/bkash.php:4 Stack trace: #0 {main} thrown in /home/ispbillingpro/gigabyteinternet.ispbillingpro.com/vendor/karim007/laravel-bkash-tokenize/config/bkash.php on line 4