Dashboard wizard dialog throws exception that feedback panel is missing

Steps to reproduce:
1) Start Go Green from the 7.9.xx branch
2) Click on the new news item
Expected: Wizard dialog opens
Actual: Stracktrace

[INFO] [talledLocalContainer] 10.02.2015 17:34:54 ERROR [org.apache.wicket.DefaultExceptionMapper.internalMap():129] Unexpected error occurred
[INFO] [talledLocalContainer] org.apache.wicket.WicketRuntimeException: Method onRequest of interface org.apache.wicket.behavior.IBehaviorListener targeted at org.apache.wicket.ajax.markup.html.AjaxLink$1@e70da5b on component [Link [Component id = link]] threw an exception
[INFO] [talledLocalContainer] at org.apache.wicket.RequestListenerInterface.internalInvoke(RequestListenerInterface.java:268)
[

[INFO] [talledLocalContainer] Caused by: java.lang.NoSuchFieldError: feedback
[INFO] [talledLocalContainer] at org.onehippo.forge.dashboard.documentwizard.NewDocumentWizardPlugin$Dialog.<init>(NewDocumentWizardPlugin.java:252)
[INFO] [talledLocalContainer] at org.onehippo.forge.dashboard.documentwizard.NewDocumentWizardPlugin$Link.onClick(NewDocumentWizardPlugin.java:200)
[INFO] [talledLocalContainer] at org.apache.wicket.ajax.markup.html.AjaxLink$1.onEvent(AjaxLink.java:86)

Created on CMS as no relevant change seems to be done on the documentwizard project