Warning: Trying to access array offset on false in /var/www/vhosts/hotel-brimer.lu/httpdocs/wp-content/themes/originalmedia-master/parts/slideshow/slideshow-posts.php on line 28

Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, false given in /var/www/vhosts/hotel-brimer.lu/httpdocs/wp-content/themes/originalmedia-master/parts/slideshow/slideshow-posts.php:353 Stack trace: #0 /var/www/vhosts/hotel-brimer.lu/httpdocs/wp-content/themes/originalmedia-master/admin/templates/templates-output.php(38): slideshow_posts() #1 /var/www/vhosts/hotel-brimer.lu/httpdocs/wp-content/themes/originalmedia-master/index.php(37): om_get_template() #2 /var/www/vhosts/hotel-brimer.lu/httpdocs/wp-includes/template-loader.php(106): include('...') #3 /var/www/vhosts/hotel-brimer.lu/httpdocs/wp-blog-header.php(19): require_once('...') #4 /var/www/vhosts/hotel-brimer.lu/httpdocs/index.php(17): require('...') #5 {main} thrown in /var/www/vhosts/hotel-brimer.lu/httpdocs/wp-content/themes/originalmedia-master/parts/slideshow/slideshow-posts.php on line 353