# About Wall.ByCurveAndHeight

**URL:** <https://forum.dynamobim.com/t/about-wall-bycurveandheight/7388>\
**Category:** Revit\
**Tags:** revit\
**Created:** [November 9, 2016, 2:51pm UTC](https://forum.dynamobim.com/t/about-wall-bycurveandheight/7388 "2016-11-09T14:51:57Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![sir75](https://avatars.discourse-cdn.com/v4/letter/s/8e7dd6/32.png) [@sir75](https://forum.dynamobim.com/u/sir75)\
**Post date:** [November 9, 2016, 2:51pm UTC](https://forum.dynamobim.com/t/about-wall-bycurveandheight/7388/1 "2016-11-09T14:51:57Z")

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Hi  
I face a problem concerning this node:  
Trying to create walls from an excel sheet.  
level structure is wrong.  
Any idea ?  
thanx  
 ![](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/2/2/22d8dd85e216065645fa8cd0d2a0ce04009f2fdb.PNG)

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![](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/a/7/a70fc96a50715fac5051a5d7199a17f6df60bfc1.PNG)

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**Author:** ![Kulkul](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/kulkul/32/49801_2.png) [@Kulkul](https://forum.dynamobim.com/u/Kulkul)\
**Post date:** [November 9, 2016, 3:04pm UTC](https://forum.dynamobim.com/t/about-wall-bycurveandheight/7388/2 "2016-11-09T15:04:58Z")

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Hi Rabehi,

@sir75 Could you show complete screenshot of your graph with errors expanded.

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<div class="post-metadata">

**Author:** ![sir75](https://avatars.discourse-cdn.com/v4/letter/s/8e7dd6/32.png) [@sir75](https://forum.dynamobim.com/u/sir75)\
**Post date:** [November 9, 2016, 3:24pm UTC](https://forum.dynamobim.com/t/about-wall-bycurveandheight/7388/3 "2016-11-09T15:24:24Z")

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Hi Kulkul  
thank you for your answer.  
The error message is 🙂one or more of the input types do not match.  
Unable to find a version of ByCurveAndHeight who accept such arguments (\_array, int, \_array, \_array)

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![](https://cdck-file-uploads-us1.s3.dualstack.us-west-2.amazonaws.com/flex022/uploads/dynamobim/original/3X/8/9/8910b73ba94097a482f7c23a1424f0da32dac6ee.PNG)

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it’s due to the “level” input which does not match the expected value  
the node expects a value of this type:

![](https://cdck-file-uploads-us1.s3.dualstack.us-west-2.amazonaws.com/flex022/uploads/dynamobim/original/3X/b/2/b29722d353e54df29d72f845b6bfc227baf788a8.PNG)

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<div class="post-metadata">

**Author:** ![Kulkul](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/kulkul/32/49801_2.png) [@Kulkul](https://forum.dynamobim.com/u/Kulkul)\
**Post date:** [November 9, 2016, 3:31pm UTC](https://forum.dynamobim.com/t/about-wall-bycurveandheight/7388/4 "2016-11-09T15:31:39Z")

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@sir75 could please you drop complete screenshot of your graph. You provided part by part. Thanks 🙂

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<div class="post-metadata">

**Author:** ![sir75](https://avatars.discourse-cdn.com/v4/letter/s/8e7dd6/32.png) [@sir75](https://forum.dynamobim.com/u/sir75)\
**Post date:** [November 9, 2016, 3:49pm UTC](https://forum.dynamobim.com/t/about-wall-bycurveandheight/7388/5 "2016-11-09T15:49:31Z")

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Ok  
I think it is better to load the entire script  
Thanx

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[CreateWallsFromExcel-2.dyn](https://forum.dynamobim.com/uploads/short-url/Ba26CRFqDplsHu9DpSKY3fN4wy.dyn) (35.8 KB)