Python Interactive Viewer State Handle = Resources regist...

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I am trying to build an hda using a handle an viewer states. The code for the handle is created on a node inside that hda, and on the hda itself I have the code for the viewer state. However using this setup I am having this error at startup, when Houdini starts with an empty scene:

= = = Resources registration = = =
ERROR: ..._generator::1.0 cannot use handle 'testhandle' because it is not a handle type.

I also note constant crashes, but especially when I want to edit the type properties of the hda, more notably the parameters tab.
Can anyone please help me figure out what the problem is, or if the problem is the setup itself what can I do about it in that case?!

Edit: the error itself at the moment of crash looks like this:
Creation of unknown handle type testhandle
23296: Fatal error: Segmentation fault
Saving application data to
Edited by coccarolla - May 27, 2025 12:22:35
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