Date_default_timezone_get() ERROR

Hi I have a problem with the installation of piwik in the two stepI get the message

Fatal error: date_default_timezone_get(): Timezone database is corrupt - this should never happen! in /var/www
/html/piwik/vendor/monolog/monolog/src/Monolog/Logger.php on line 311
A fatal error occurred

Please contact the system administrator, or login to Piwik to learn more.

somebody has an ahanung or a tip where drann can be wrong .

Have you gone through this troubleshooting: