Warning: Use of undefined constant CF7_ISMS_DB - assumed 'CF7_ISMS_DB' (this will throw an Error in a future version of PHP) in C:\xampp\htdocs\wp-content\plugins\cf7-international-sms-integration\includes\admin\settings_framework\fields.php on line 5

Fatal error: Uncaught Error: Call to undefined function __() in C:\xampp\htdocs\wp-content\plugins\cf7-international-sms-integration\includes\admin\settings_framework\fields.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\cf7-international-sms-integration\includes\admin\settings_framework\fields.php on line 7