PHP Fatal error: Call to undefined function WP_Filesystem() [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 5 years ago. Improve this question “internal server error” wp-content/themes/xxxxxx/inc/custom-functions.php on line 529 1 Answer 1 The error is in custom-functions.php line 529 where you might … Read more