Not able to login, giving the error

General questions
1

Error message
MicrosoftTeams-image (9)

2

After logging in, getting HTTP ERROR 500

matomo-login
matomo-login2306×1432 61.7 KB

3

Hi,

If you get a 500 error, please check your webserver error log to see the exact error that happens.

4

[Fri Dec 18 19:59:00.862501 2020] [php7:error] [pid 18179] [client 10.0.30.82:41354] script ‘/var/www/html/index.php’ not found or unable to stat
[Fri Dec 18 23:06:29.123500 2020] [php7:error] [pid 18136] [client 10.0.99.210:37012] script ‘/var/www/html/index.php’ not found or unable to stat
@Lukas