Fatal error: Uncaught Error: Call to undefined function esc_html() in C:\xampp\htdocs\wp-content\plugins\nextgen-gallery-pro\modules\stripe\templates\button.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\nextgen-gallery-pro\modules\stripe\templates\button.php on line 14