Improve error messages.
Improve error messages.

kewaunited/passenger,gravitystorm/passenger,gravitystorm/passenger,pkmiec/passenger,jawj/passenger,phusion/passenger,cgvarela/passenger,bf4/passenger,fabiokung/passenger-debian,fabiokung/passenger-debian,pkmiec/passenger,openSUSE/passenger,erikogan/passenger,cgvarela/passenger,kewaunited/passenger,openSUSE/passenger,gravitystorm/passenger,jawj/passenger,antek-drzewiecki/passenger,openSUSE/passenger,cgvarela/passenger,erikogan/passenger,erikogan/passenger,bf4/passenger,bf4/passenger,fabiokung/passenger-debian,pkmiec/passenger,bf4/passenger,jawj/passenger,openSUSE/passenger,cgvarela/passenger,erikogan/passenger,openSUSE/passenger,jawj/passenger,antek-drzewiecki/passenger,cgvarela/passenger,phusion/passenger,jawj/passenger,erikogan/passenger,clemensg/passenger,kewaunited/passenger,clemensg/passenger,fabiokung/passenger-debian,bf4/passenger,kewaunited/passenger,kewaunited/passenger,clemensg/passenger,kewaunited/passenger,phusion/passenger,kewaunited/passenger,kewaunited/passenger,gravitystorm/passenger,antek-drzewiecki/passenger,phusion/passenger,cgvarela/passenger,erikogan/passenger,phusion/passenger,cgvarela/passenger,jawj/passenger,pkmiec/passenger,antek-drzewiecki/passenger,clemensg/passenger,antek-drzewiecki/passenger,jawj/passenger,fabiokung/passenger-debian,pkmiec/passenger,phusion/passenger,phusion/passenger,cgvarela/passenger,gravitystorm/passenger,clemensg/passenger,antek-drzewiecki/passenger,phusion/passenger,clemensg/passenger,antek-drzewiecki/passenger,clemensg/passenger,openSUSE/passenger,pkmiec/passenger,gravitystorm/passenger,pkmiec/passenger,fabiokung/passenger-debian,antek-drzewiecki/passenger,bf4/passenger,clemensg/passenger,bf4/passenger