Fatal Error after ant build-unit

[ShopwareNooby]

Hi everybody, 

after i enter the “ant buid-unit” command i get this Error:

“Fatal error: Uncaught TypeError: Return value of PackageVersions\Installer::activate() must be an instance of PackageVersions\void, none returned in /home/vagra”

Could you please help me to solve this problem?

Best regards 

Vanessa

[timbrns]

Hi Vanessa,

which PHP Version are you running on your system?
Did you check whether your system has all requirements to install shopware?

Kind regards,
Tim