Fatal error: Uncaught Error: Call to undefined function wp_oembed_add_provider() in /home/antenaserwis/public_html/satserwis/wp-content/plugins/jetpack/modules/shortcodes/mixcloud.php:21
Stack trace:
#0 {main}
thrown in /home/antenaserwis/public_html/satserwis/wp-content/plugins/jetpack/modules/shortcodes/mixcloud.php on line 21