# Getting Error "Custom node definition is not loaded!"

**URL:** <https://forum.dynamobim.com/t/getting-error-custom-node-definition-is-not-loaded/68527>\
**Category:** Revit\
**Tags:** dynamo\
**Created:** [September 24, 2021, 7:40am UTC](https://forum.dynamobim.com/t/getting-error-custom-node-definition-is-not-loaded/68527 "2021-09-24T07:40:53Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![vsonavane](https://avatars.discourse-cdn.com/v4/letter/v/ecccb3/32.png) [@vsonavane](https://forum.dynamobim.com/u/vsonavane)\
**Post date:** [September 24, 2021, 7:40am UTC](https://forum.dynamobim.com/t/getting-error-custom-node-definition-is-not-loaded/68527/1 "2021-09-24T07:40:53Z")

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Hi all, I had downloaded this file from this forum but while running it.  
i am getting this error “Custom node definition is not loaded!”  
I don’t know how to resolve this issue as i am new to Dynamo  
please help…

 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/0/2/028415d17f2bc5191648f097a31a25e34a8159c3.jpeg)

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**Author:** ![Deniz\_Maral](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/deniz_maral/32/80323_2.png) [@Deniz\_Maral](https://forum.dynamobim.com/u/Deniz_Maral)\
**Post date:** [September 24, 2021, 7:43am UTC](https://forum.dynamobim.com/t/getting-error-custom-node-definition-is-not-loaded/68527/2 "2021-09-24T07:43:44Z")

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Its package is not installed on your computer. Install Monocle to track its package and then download it.

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**Author:** ![Alban\_de\_Chasteigner](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/alban_de_chasteigner/32/39650_2.png) [@Alban\_de\_Chasteigner](https://forum.dynamobim.com/u/Alban_de_Chasteigner)\
**Post date:** [September 24, 2021, 7:51am UTC](https://forum.dynamobim.com/t/getting-error-custom-node-definition-is-not-loaded/68527/3 "2021-09-24T07:51:59Z")

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Hi,

Or rather than using an old package, use the dropdown View Types and the GetView.ByType nodes of archilab package.