Error → Install Application "Passman"

when trying to install passman this error is generated:
PHP Class Error 'OCA \ Passman \ AppInfo \ Application' not found at /var/www/owncloud/apps/passman/appinfo/app.php#22

Can someone help me?

Hello,

what version of owncloud are you using?

I just tried to install it on 10.0.3 and it worked.

What is your setup?