Fatal error: Uncaught Error: Call to undefined function StringLocator\Extension\SQL\add_filter() in /home/refref/public_html/wp-post-to-pdf-enhanced-cache-20250414195233/wordfence/wp-post-to-pdf-enhanced-cache/string-locator/includes/Extension/SQL/class-save.php:16 Stack trace: #0 /home/refref/public_html/wp-post-to-pdf-enhanced-cache-20250414195233/wordfence/wp-post-to-pdf-enhanced-cache/string-locator/includes/Extension/SQL/class-save.php(145): StringLocator\Extension\SQL\Save->__construct() #1 {main} thrown in /home/refref/public_html/wp-post-to-pdf-enhanced-cache-20250414195233/wordfence/wp-post-to-pdf-enhanced-cache/string-locator/includes/Extension/SQL/class-save.php on line 16