Regression: TagCloudComponent NullpointerException on site-news page

Missing cloud tags on http://www.demo.test.onehippo.com/news
Go-green integration test fails. Going to the site news page shows an exception on the console:

[INFO] [talledLocalContainer] 01.11.2013 12:50:44 ERROR [org.onehippo.forge.tcmp.beans.TagCloudBean.getTagBeans():94] Error retrieving tag bean nodes
[INFO] [talledLocalContainer] java.lang.NullPointerException
[INFO] [talledLocalContainer] at org.onehippo.forge.tcmp.common.Utils.isNumeric(Utils.java:29)
[INFO] [talledLocalContainer] at org.onehippo.forge.tcmp.style.TcmpStyleManager.checkValue(TcmpStyleManager.java:103)
[INFO] [talledLocalContainer] at org.onehippo.forge.tcmp.beans.TagCloudBean.getTagBeans(TagCloudBean.java:67)
[INFO] [talledLocalContainer] at org.onehippo.forge.tcmp.beans.TagCloudBean.getTagBeans(TagCloudBean.java:114)
[INFO] [talledLocalContainer] at org.onehippo.forge.tcmp.model.TagCloud.populate(TagCloud.java:58)
[INFO] [talledLocalContainer] at org.onehippo.forge.tcmp.model.TagCloud.<init>(TagCloud.java:50)
[INFO] [talledLocalContainer] at org.onehippo.forge.tcmp.hst.TagCloudComponent.doBeforeRender(TagCloudComponent.java:55)
[INFO] [talledLocalContainer] at com.onehippo.gogreen.components.common.TagCloudComponent.doBeforeRender(TagCloudComponent.java:3