bunch of nullpointer exception ?

Yvon Thoraval <[email protected]>
Newsgroups gmane.comp.java.netbeans.user-interface
Message-ID <[email protected]> 
Heay all,

new to matisse, i've tried putting 6 JRadioButtons on a JFrame.
where DnD the 6th, i got a bunch of null pointer exception and a  
window message telling me to report an issue.
this message window is looping back to itself...

i'm using yesteray's nightly over MacOS X ans java 1.5.

what could i do in order to get out of this hole ?

best,

Yvon
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