I have seen this issue in the past when linking libraries built in debug mode with an app in release mode, or vice-versa, so that is the first thing to check. Since the assertion is in the debug C++ runtime (with the “d” suffix”) your app must also be built in debug mode with the same runtime.
Kind regards, Phil > On 19/03/2020, at 3:13 AM, OpenSceneGraph Users > <osg-users@lists.openscenegraph.org> wrote: > > Hello everyone, > > recently I encountered a sporadic crash in my App at same position upon > calling function Renderer::draw() in osgViewer/Renderer.cpp. The crash > happend at > > DEBUG_MESSAGE<<"draw() got SceneView "<<sceneView<<std::endl; (screenshots > of callstack are attached) > > and triggerd an exception via a string of basic streambuf operations very > deep down to msvcp100d.dll in dbgheap.c
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