Nextcloudproblem with PHP

Hi their i just used your guide : https://doc.turris.cz/doc/en/howto/nextcloud and when i get to my nextcloud their are severel problem and most of them seams to have a problem with php for example :

PHP scheint zur Abfrage von Systemumgebungsvariablen nicht richtig eingerichtet zu sein. Der Test mit getenv(“PATH”) liefert nur eine leere Antwort zurück.

ENG: PHP does not seem to be properly set up to query system environment variables. The test with getenv(“PATH”) returns only an empty answer.

can you help me with this?

Thanks for your answere