Fatal error on activation
If you are receiving a fatal error when trying to install and activate the Premium version of the plugin, make sure you have deactivated the Free version first.
Fatal error: Cannot redeclare wp_booking_system() (previously declared in /path/to/wp-content/plugins/wp-booking-system/wp-booking-system.php:569) in /path/to/wp-content/plugins/wp-booking-system-premium/index.php on line 654
