Fatal error: Uncaught Error: Call to undefined function __() in C:\xampp\htdocs\wp-content\plugins\admin-columns-pro\admin-columns\templates\tooltip\custom-field.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\admin-columns-pro\admin-columns\templates\tooltip\custom-field.php on line 7