<p>Hey There. I got a problem, everytime when i creat two zones in the google sketchup with transys3d plug in, when i finished my geometry and saved it . and later when i reopen it. it always give me the err "Sorry...the plugin has encountered an error. ERROR:<br>
NoMethodError<br>undefined method `active_interface' for nil:NilClass</p>
<div>BACKTRACE:<br>C:/Program Files (x86)/Google/Google SketchUp 7/Plugins/Trnsys3d/lib/ModelManager.rb:426:in `selection_changed'<br>C:/Program Files (x86)/Google/Google SketchUp 7/Plugins/Trnsys3d/lib/observers/SelectionObserver.rb:21:in `onSelectionBulkChange'</div>
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<div>Would you please kindly tell me what is the problem. by the way . i tried it again today after installing the newest plug-in, it gived the same problem. </div>
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<div>Thank you very much</div>
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<div>Jiang<br></div>