Cannot access MyCurriki, Groups

1. Login as a non-Curriki Admin
2. Visit MyCurriki, Groups

Bug:
Error number 4001 in 4: Error while parsing velocity page MyCurriki.Groups
Wrapped Exception: Invocation of method 'formatDate' in class com.xpn.xwiki.api.XWiki threw exception java.lang.NullPointerException @ MyCurriki.Groups49,8?
com.xpn.xwiki.XWikiException: Error number 4001 in 4: Error while parsing velocity page MyCurriki.Groups
Wrapped Exception: Invocation of method 'formatDate' in class com.xpn.xwiki.api.XWiki threw exception java.lang.NullPointerException @ MyCurriki.Groups49,8?
at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:148)
at com.xpn.xwiki.render.XWikiVelocityRenderer.render(XWikiVelocityRenderer.java:91)
ETC.

It could be that my other groups cannot display because there are messages in them that I should not have rights too.