[ErrorException] Trrying to access array offset on value of typq null

[maikeru2306]

Whenever i run the installation.sh file i choose my mysql root user and a new user and the database name and after this i get this error message (title). The only thing I found on the internet is that you should use an older version of php, but that didn't work either.
Maybe you can help me.

[Mordreak]

Which version of php are you using ?