Standard Double Room

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Fatal error: Uncaught TypeError: usort(): Argument #1 ($array) must be of type array, null given in /var/www/vhosts/brauhof-wien.at/booking/wp-content/plugins/my-bookings-res/my-bookings.php:819 Stack trace: #0 /var/www/vhosts/brauhof-wien.at/booking/wp-content/plugins/my-bookings-res/my-bookings.php(819): usort() #1 /var/www/vhosts/brauhof-wien.at/booking/wp-includes/shortcodes.php(434): MyBookingsRESPlugin->getCategoryShortCodeContent() #2 [internal function]: do_shortcode_tag() #3 /var/www/vhosts/brauhof-wien.at/booking/wp-includes/shortcodes.php(273): preg_replace_callback() #4 /var/www/vhosts/brauhof-wien.at/booking/wp-includes/class-wp-hook.php(324): do_shortcode() #5 /var/www/vhosts/brauhof-wien.at/booking/wp-includes/plugin.php(205): WP_Hook->apply_filters() #6 /var/www/vhosts/brauhof-wien.at/booking/wp-includes/post-template.php(256): apply_filters() #7 /var/www/vhosts/brauhof-wien.at/booking/wp-content/themes/hello-elementor/template-parts/single.php(25): the_content() #8 /var/www/vhosts/brauhof-wien.at/booking/wp-includes/template.php(812): require('...') #9 /var/www/vhosts/brauhof-wien.at/booking/wp-includes/template.php(745): load_template() #10 /var/www/vhosts/brauhof-wien.at/booking/wp-includes/general-template.php(206): locate_template() #11 /var/www/vhosts/brauhof-wien.at/booking/wp-content/themes/hello-elementor/index.php(21): get_template_part() #12 /var/www/vhosts/brauhof-wien.at/booking/wp-includes/template-loader.php(106): include('...') #13 /var/www/vhosts/brauhof-wien.at/booking/wp-blog-header.php(19): require_once('...') #14 /var/www/vhosts/brauhof-wien.at/booking/index.php(17): require('...') #15 {main} thrown in /var/www/vhosts/brauhof-wien.at/booking/wp-content/plugins/my-bookings-res/my-bookings.php on line 819