Error In Application

Sorry, we've encoutered some problem. Reach out to us if we keep messing this up. Here's the error info:

/var/app/current/Areas/Packages/views/ViewPackage.jade:8 6| div 7| .container.WhiteContentArea.PackageViewContainer.MaxWidthContainer(style="padding:0px;") > 8| slides-view(collection="#{package.referencename}Page" focus-picture="focusPicture(photo)" user="user") 9| .container-fluid 10| h1.TitleText(style="margin-top:0px;") #{package.packagename} 11| .row.BorderBottomLight(style="padding-bottom:10px;") Cannot read property 'referencename' of undefined