fail to update ispconfig
i am trying to update my ispconfig but i get this error
PHP Fatal error: Uncaught Error: Call to undefined function mysqli_connect() in /tmp/ispconfig3_install/install/update.php:239 Stack trace: #0 {main} thrown in /tmp/ispconfig3_install/install/update.php on line 239
- os: ubuntu 18.04.1 LTS
- php version: 7.2.7
- ispconfig version: 3.1.12