Hello :

          I adopt Netadvantage For 2008 V2 wpf and the os is xp sp3 in vs2008SP1.

Each time when I add botton tool in blend xaml  file the system shows error message. for example

---------------- example ----------------------------------------------------

<igRibbon:RibbonGroup Id="Text Style" Caption="Basedata">
   <igRibbon:ToolHorizontalWrapPanel>
 <igRibbon:ButtonTool Caption="DataConfig" Id="DataConfigBtn" > 

 //I would like to add new ButtonTool here

     </igRibbon:ButtonTool>
     </igRibbon:ToolHorizontalWrapPanel>
     </igRibbon:RibbonGroup>

 //Error message happen when I press the "enter" in keyboard to get new space for adding another ButtonTool and then blend is closed.

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Is it the ribbon bug? How to fix it?