Warning: Constant WP_DEBUG already defined in /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-config.php on line 100

Fatal error: Uncaught ValueError: Unknown format specifier "R" in /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-content/plugins/restaurant-reservations/includes/Settings.class.php:1295
Stack trace:
#0 /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-content/plugins/restaurant-reservations/includes/Settings.class.php(1295): sprintf('D\xC3\xA9finir commen...', '<a href="http:/...', '</a>', '<a href="https:...', '</a>')
#1 /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-includes/class-wp-hook.php(307): rtbSettings->load_settings_panel('')
#2 /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#3 /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-includes/plugin.php(474): WP_Hook->do_action(Array)
#4 /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-settings.php(587): do_action('init')
#5 /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-config.php(109): require_once('/customers/8/c/...')
#6 /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-load.php(50): require_once('/customers/8/c/...')
#7 /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-blog-header.php(13): require_once('/customers/8/c/...')
#8 /customers/8/c/5/lerefugedelavallee.be/httpd.www/index.php(17): require('/customers/8/c/...')
#9 {main}
  thrown in /customers/8/c/5/lerefugedelavallee.be/httpd.www/wp-content/plugins/restaurant-reservations/includes/Settings.class.php on line 1295