Fatal error: Uncaught Error: Class "craft\helpers\StringHelper" not found in /home/akg/public_html/craft/vendor/rynpsc/craft-phone-number/src/helpers/StringHelper.php:16 Stack trace: #0 {main} thrown in /home/akg/public_html/craft/vendor/rynpsc/craft-phone-number/src/helpers/StringHelper.php on line 16