Your device is not properly connected to the specific local network hosting the page.
Many developers run admin panels inside containers mapped to port 2222 to avoid host conflicts. For example: 2222 login page work
Administrators change the default SSH port from 22 to 2222 to reduce the number of automated brute-force attacks and bot scans targeting the default port. In this case, instead of opening a browser, you use an like PuTTY (Windows), Terminal (macOS/Linux), or even an SFTP tool like FileZilla. Your device is not properly connected to the
Corrupted cache files, outdated cookies, or aggressive browser extensions (like ad blockers and script blockers) can prevent the login scripts from loading correctly. instead of opening a browser
or
If it works, clear your main browser's cookies and cached images/files.