# Data error

**URL:** <https://forum.dynamobim.com/t/data-error/60995>\
**Category:** Revit\
**Tags:** revit\
**Created:** [February 27, 2021, 2:26am UTC](https://forum.dynamobim.com/t/data-error/60995 "2021-02-27T02:26:08Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![vigneshkumar](https://avatars.discourse-cdn.com/v4/letter/v/da6949/32.png) [@vigneshkumar](https://forum.dynamobim.com/u/vigneshkumar)\
**Post date:** [February 27, 2021, 2:26am UTC](https://forum.dynamobim.com/t/data-error/60995/1 "2021-02-27T02:26:08Z")

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![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/4/5/4570fd7150028c2a961205173865a0f973da1761.png)  
hi flokes this is what type of error

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**Author:** ![SeanP](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/seanp/32/42560_2.png) [@SeanP](https://forum.dynamobim.com/u/SeanP)\
**Post date:** [February 27, 2021, 2:41am UTC](https://forum.dynamobim.com/t/data-error/60995/2 "2021-02-27T02:41:42Z")

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When you hover over the yellow error on the top what does it say?

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**Author:** ![vigneshkumar](https://avatars.discourse-cdn.com/v4/letter/v/da6949/32.png) [@vigneshkumar](https://forum.dynamobim.com/u/vigneshkumar)\
**Post date:** [February 27, 2021, 2:44am UTC](https://forum.dynamobim.com/t/data-error/60995/3 "2021-02-27T02:44:12Z")

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Warning: Internal error, please report: Dereferencing a non-pointer

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**Author:** ![SeanP](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/seanp/32/42560_2.png) [@SeanP](https://forum.dynamobim.com/u/SeanP)\
**Post date:** [February 27, 2021, 2:46am UTC](https://forum.dynamobim.com/t/data-error/60995/4 "2021-02-27T02:46:05Z")

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What happens if you put lacing to auto and just try one value?

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**Author:** ![vigneshkumar](https://avatars.discourse-cdn.com/v4/letter/v/da6949/32.png) [@vigneshkumar](https://forum.dynamobim.com/u/vigneshkumar)\
**Post date:** [February 27, 2021, 2:57am UTC](https://forum.dynamobim.com/t/data-error/60995/5 "2021-02-27T02:57:20Z")

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it did not any change

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**Author:** ![SeanP](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/seanp/32/42560_2.png) [@SeanP](https://forum.dynamobim.com/u/SeanP)\
**Post date:** [February 27, 2021, 3:25am UTC](https://forum.dynamobim.com/t/data-error/60995/6 "2021-02-27T03:25:21Z")

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Try like this with category.

> [@Set Project Info Node](https://forum.dynamobim.com/t/set-project-info-node/19977/4):
>
> @BBDCW It should be as simple as this:

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**Author:** ![Dynamonkey](https://avatars.discourse-cdn.com/v4/letter/d/22d042/32.png) [@Dynamonkey](https://forum.dynamobim.com/u/Dynamonkey)\
**Post date:** [February 27, 2021, 3:33am UTC](https://forum.dynamobim.com/t/data-error/60995/7 "2021-02-27T03:33:43Z")

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What mode are you in? Manual or Automatic? Are you sure you ran your updated graph? Try selecting all the nodes, copy, close, paste into a new session of dynamo.