# NULL\_Vertex

**URL:** <https://forum.dynamobim.com/t/null-vertex/96216>\
**Category:** Generative Design\
**Tags:** refinery\
**Created:** [December 8, 2023, 6:44pm UTC](https://forum.dynamobim.com/t/null-vertex/96216 "2023-12-08T18:44:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Mayonnaise](https://avatars.discourse-cdn.com/v4/letter/m/f04885/32.png) [@Mayonnaise](https://forum.dynamobim.com/u/Mayonnaise)\
**Post date:** [December 8, 2023, 6:44pm UTC](https://forum.dynamobim.com/t/null-vertex/96216/1 "2023-12-08T18:44:08Z")

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![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/4/4/446eef3332622bbf6100f702fdbca6cba2223e90.png)

Hi! Super new in using this, and testing out the workflow from Generative Design’s website on office layout and I just can’t figure out why its NULL all over here.