Handle wrong camp and period ids in url, fixes #421
Handle wrong camp and period ids in url, fixes #421

pmattmann/ecamp3,pmattmann/ecamp3,usu/ecamp3,pmattmann/ecamp3,ecamp/ecamp3,pmattmann/ecamp3,usu/ecamp3,usu/ecamp3,usu/ecamp3,ecamp/ecamp3,ecamp/ecamp3,ecamp/ecamp3