Fatal error: Uncaught Error: Call to undefined function cal_days_in_month() in /home/www/elefantitosrosas.com/wp-content/plugins/nd-restaurant-reservations/inc/shortcodes/include/nd_rst_reservation_calendar.php:6 Stack trace: #0 /home/www/elefantitosrosas.com/wp-content/plugins/nd-restaurant-reservations/inc/shortcodes/nd_rst_reservation_form.php(505): include() #1 /home/www/elefantitosrosas.com/wp-includes/shortcodes.php(433): nd_rst_shortcode_reservation_form() #2 [internal function]: do_shortcode_tag() #3 /home/www/elefantitosrosas.com/wp-includes/shortcodes.php(273): preg_replace_callback() #4 /home/www/elefantitosrosas.com/wp-content/plugins/js_composer/include/helpers/helpers.php(240): do_shortcode() #5 /home/www/elefantitosrosas.com/wp-content/plugins/js_composer/include/templates/shortcodes/vc_column_text.php(31): wpb_js_remove_wpautop() #6 /home/www/elefantitosrosas.com/wp-content/plugins/js_composer/include/classes/shortcodes/core/class-wpbakeryshortcode.php(271): require('/home/www/elefa...') #7 /home/www/elefa in /home/www/elefantitosrosas.com/wp-content/plugins/nd-restaurant-reservations/inc/shortcodes/include/nd_rst_reservation_calendar.php on line 6