When I browse to the Agile Start page I get this...

An error occurredHide…
Please try refreshing the page, or contact your administrator / Atlassian Support if the problem continues.
Details
Exception: Uncaught TypeError: a.hasAttribute is not a function
Resource: http://centa001-vm001:8080/s/59dc22e0043fd10c7428f1694a2b5e9e-CDN/en_US-rutl20/64022/6/911d7233246dccccc89914f774b6f844/_/download/contextbatch/js/gh-rapid-welcome,atl.general,jira.global,greenhopper-rapid-non-gadget,jira.general/batch.js?jag=true&jag_disabled_marketing=true&isAdmin=true&locale=en-US
Line: 3131
Column: 277
Environment
Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.132 Safari/537.36
Stack trace
TypeError: a.hasAttribute is not a function
at d.getClosestIgnoredElement (http://centa001-vm001:8080/s/59dc22e0043fd10c7428f1694a2b5e9e-CDN/en_US-rutl20/64022/6/911d7233246dccccc89914f774b6f844/_/download/contextbatch/js/gh-rapid-welcome,atl.general,jira.global,greenhopper-rapid-non-gadget,jira.general/batch.js?jag=true&jag_disabled_marketing=true&isAdmin=true&locale=en-US:3131:277)
at MutationObserver.f (http://centa001-vm001:8080/s/59dc22e0043fd10c7428f1694a2b5e9e-CDN/en_US-rutl20/64022/6/911d7233246dccccc89914f774b6f844/_/download/contextbatch/js/gh-rapid-welcome,atl.general,jira.global,greenhopper-rapid-non-gadget,jira.general/batch.js?jag=true&jag_disabled_marketing=true&isAdmin=true&locale=en-US:3115:297)