Fatal error: Uncaught Error: Call to undefined function add_shortcode() in /home/tatra/ftp/tatra-dom/posrednictwo/wp-includes/class-wp-embed.php:31 Stack trace: #0 /home/tatra/ftp/tatra-dom/posrednictwo/wp-includes/class-wp-embed.php(370): WP_Embed->__construct() #1 /home/tatra/ftp/tatra-dom/posrednictwo/wp-settings.php(153): require('/home/tatra/ftp...') #2 /home/tatra/ftp/tatra-dom/posrednictwo/wp-config.php(95): require_once('/home/tatra/ftp...') #3 /home/tatra/ftp/tatra-dom/posrednictwo/wp-load.php(37): require_once('/home/tatra/ftp...') #4 /home/tatra/ftp/tatra-dom/posrednictwo/wp-blog-header.php(12): require_once('/home/tatra/ftp...') #5 /home/tatra/ftp/tatra-dom/posrednictwo/index.php(23): require('/home/tatra/ftp...') #6 {main} thrown in /home/tatra/ftp/tatra-dom/posrednictwo/wp-includes/class-wp-embed.php on line 31