Fatal error: Uncaught Error: Class "SimplePie_Sanitize" not found in /usr/home/AriesPB/domains/elektrobud-koszalin.pl/public_html/wp-includes/class-wp-simplepie-sanitize-kses.php:19
Stack trace:
#0 {main}
  thrown in /usr/home/AriesPB/domains/elektrobud-koszalin.pl/public_html/wp-includes/class-wp-simplepie-sanitize-kses.php on line 19