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Hi @Femer !

The problem is that you missed the implementation of the destructor. You can solve just by defining TemplatePlugin::~TemplatePlugin(){} on your TemplatePlugin.cpp.

I've discovered this by running c++filt _ZN19rqt_template_plugin14TemplatePluginD1Ev that give us the following output: rqt_template_plugin::TemplatePlugin::~TemplatePlugin().

I've created a video (https://youtu.be/4xZKflNlJho) that shows that this was the only problem.

Ruben.

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