Can't log in with the email address in the domain.

I have enabled AD Integration, can login with AD account, but can't login with email. Error message as below.

2022-03-02 04:24:45.113581 INFO TId   12164 CoreWebServer> PRTG Network Monitor 22.1.74.1869 x64 PRTG core server starting on "THBK1-xxxx"
2022-03-02 04:45:19.940086 ERRR TId   11092 CoreWebServer> Webserver: Include File Not Found Error C3 File: (Tag showhelp unknown) URL: /public/checklogin.htm?username=dedi.xxxx@xxxx.com&password=***&
2022-03-02 05:38:39.467110 ERRR TId   14504 CoreWebServer> Javascript Error: AjaxError: Unauthorized - PE:PE1113 - ajaxSettings: {"url":"https://10.8.xxxx/systemsetup.htm?tabid=6&_hjax=true&_=1646199159662","type":"GET","isLocal":false,"global":true,"processData":true,"async":true,"contentType":"application/x-www-form-urlencoded; charset=UTF-8","accepts":{"*":"*/*","text":"te
2022-03-02 07:09:07.974237 ERRR TId   17224 CoreWebServer> Javascript Error: AjaxError: Unauthorized - PE:PE1113 - ajaxSettings: {"url":"https://10.8.xxxx/systemsetup.htm?tabid=2&_hjax=true&_=1646204907939","type":"GET","isLocal":false,"global":true,"processData":true,"async":true,"contentType":"application/x-www-form-urlencoded; charset=UTF-8","accepts":{"*":"*/*","text":"te
2022-03-02 07:10:10.940886 INFO TId   22512 CoreWebServer> blocking request to /controls/searchid.htm for session: {5E2E1912-A927-4C6E-A2E2-02F2D4DB7F76}, user: 100: reason missing csrf token
2022-03-02 07:10:10.972140 INFO TId   12356 CoreWebServer> blocking request to /controls/searchhelp.htm for session: {5E2E1912-A927-4C6E-A2E2-02F2D4DB7F76}, user: 100: reason missing csrf token
2022-03-02 07:10:10.972140 INFO TId   14768 CoreWebServer> blocking request to /controls/search.htm for session: {5E2E1912-A927-4C6E-A2E2-02F2D4DB7F76}, user: 100: reason missing csrf token
2022-03-02 07:10:11.065913 INFO TId    8152 CoreWebServer> blocking request to /api/logajax.htm for session: {5E2E1912-A927-4C6E-A2E2-02F2D4DB7F76}, user: 100: reason missing csrf token
2022-03-02 07:10:11.065913 INFO TId   19856 CoreWebServer> blocking request to /api/logajax.htm for session: {5E2E1912-A927-4C6E-A2E2-02F2D4DB7F76}, user: 100: reason missing csrf token
2022-03-02 07:10:11.112754 INFO TId    8632 CoreWebServer> blocking request to /api/logajax.htm for session: {5E2E1912-A927-4C6E-A2E2-02F2D4DB7F76}, user: 100: reason missing csrf token

2022-03-14 10:45:11.550029 INFO TId   11412 CoreWebServer> PRTG Network Monitor 22.1.74.1869 x64 PRTG core server starting on "THBK1-xxxx"
2022-03-14 10:46:57.561885 ERRR TId   10084 CoreWebServer> Webserver: Include File Not Found Error C3 File: (Tag showhelp unknown) URL: /public/checklogin.htm?loginurl=/maps.htm&username=narinthornxxxx@xxxx.com&password=***&
2022-03-14 10:49:31.175481 ERRR TId   11936 CoreWebServer> Webserver: Include File Not Found Error C3 File: (Tag showhelp unknown) URL: /public/checklogin.htm?username=ittichaixxxx@xxxx.com&password=***&
2022-03-14 10:49:51.281477 ERRR TId   11912 CoreWebServer> Webserver: Include File Not Found Error C3 File: (Tag showhelp unknown) URL: /public/checklogin.htm?username=ittichaixxxx@xxxx.com&password=***&
2022-03-14 10:51:42.957865 ERRR TId   10800 CoreWebServer> Webserver: Include File Not Found Error C3 File: (Tag showhelp unknown) URL: /public/checklogin.htm?loginurl=/maps.htm&username=xxxx&password=***&
2022-03-15 04:20:47.586516 ERRR TId    5936 CoreWebServer> Webserver: Include File Not Found Error C3 File: (Tag showhelp unknown) URL: /public/checklogin.htm?username=apiwit.xxxx@xxxx.com&password=***&