Fatal error: Uncaught Error: Call to undefined function apply_filters() in /usr/home/Pluszek/domains/wiorki.pl/public_html/wp-content/plugins/woocommerce/packages/email-editor/src/Engine/Templates/single-email-post-template.php:10
Stack trace:
#0 {main}
  thrown in /usr/home/Pluszek/domains/wiorki.pl/public_html/wp-content/plugins/woocommerce/packages/email-editor/src/Engine/Templates/single-email-post-template.php on line 10