Similar problem here. Deactivated plugin but I’m not able to reactivate. Getting the following error:
Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, null given in /var/www/vhosts/sixmilepub.com/httpdocs/wp-content/plugins/restaurant-reservations/includes/PaymentManager.class.php:422 Stack trace: #0 /var/www/vhosts/sixmilepub.com/httpdocs/wp-content/plugins/restaurant-reservations/includes/PaymentManager.class.php(96): rtbPaymentManager->load_basics() #1 /var/www/vhosts/sixmilepub.com/httpdocs/wp-content/plugins/restaurant-reservations/restaurant-reservations.php(116): rtbPaymentManager->__construct() #2 /var/www/vhosts/sixmilepub.com/httpdocs/wp-content/plugins/restaurant-reservations/restaurant-reservations.php(512): rtbInit->boot() #3 /var/www/vhosts/sixmilepub.com/httpdocs/wp-admin/includes/plugin.php(2286): include_once('...') #4 /var/www/vhosts/sixmilepub.com/httpdocs/wp-admin/plugins.php(191): plugin_sandbox_scrape() #5 {main} thrown in /var/www/vhosts/sixmilepub.com/httpdocs/wp-content/plugins/restaurant-reservations/includes/PaymentManager.class.php on line 422