Fatal error: Uncaught Error: Call to undefined function StringLocator\Tests\add_action() in /home/refref/public_html/string-locator-20250412191647/includes/Tests/class-smart-scan.php:25 Stack trace: #0 /home/refref/public_html/string-locator-20250412191647/includes/Tests/class-smart-scan.php(202): StringLocator\Tests\Smart_Scan->__construct() #1 {main} thrown in /home/refref/public_html/string-locator-20250412191647/includes/Tests/class-smart-scan.php on line 25