fix error reporting in case of empty config file
fix error reporting in case of empty config file

cernbox/smashbox,switch-ch/smashbox,mrow4a/smashbox,mrow4a/smashbox,mrow4a/smashbox,switch-ch/smashbox,nickv-oc/smashbox,cernbox/smashbox,labkode/smashbox,labkode/smashbox,cernbox/smashbox,labkode/smashbox,switch-ch/smashbox,owncloud/smashbox,nickv-oc/smashbox,labkode/smashbox,nickv-oc/smashbox,owncloud/smashbox,cernbox/smashbox,owncloud/smashbox