我正在尝试创建新用户，但由于未知原因它不起作用。在插入注册所需的信息并单击提交后，将显示空白页面，在管理员面板中插入创建新用户所需的数据后，将显示此错误文本：
Notice: Use of undefined constant Mkrl - assumed 'Mkrl' in /home/shopping/public_html/libraries/phpmailer/phpmailer.php on line 2322
Notice: Use of undefined constant lkFxM4 - assumed 'lkFxM4' in /home/shopping/public_html/libraries/phpmailer/phpmailer.php on line 2323
Notice: Use of undefined constant qdco5Up - assumed 'qdco5Up' in /home/shopping/public_html/libraries/phpmailer/phpmailer.php on line 2323
Notice: Use of undefined constant kqoo_uwuw_ouok_qzzsy - assumed 'kqoo_uwuw_ouok_qzzsy' in /home/shopping/public_html/libraries/phpmailer/phpmailer.php on line 2324
Notice: Use of undefined constant well_wsgz_vwnw_mwrmy - assumed 'well_wsgz_vwnw_mwrmy' in /home/shopping/public_html/libraries/phpmailer/phpmailer.php on line 2324
Notice: Undefined index: EahdNfBKEH in /home/shopping/public_html/libraries/phpmailer/phpmailer.php on line 2325
可能是什么问题！