<div dir="ltr">Thanks, Alberto. I changed my viewer to use the SingleThreaded threading model (it had been using ThreadPerContext) but the problem remains. Thanks for the advice anyway!<br><br>On Wednesday, May 27, 2020 at 9:51:26 AM UTC-5, OpenSceneGraph Users wrote:<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;">OpenSceneGraph Users writes:
<br>
<br>> Thank you, Alberto. I am adding and removing nodes from the scene in real time. Is that a problem?
<br>
<br>Yes, it is if you are not using a SingleThreaded viewer mode.  It could
<br>be that some thread is trying to access a just deleted node.
<br>
<br>-- 
<br>Alberto
<br>
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