# Binding Option error

**URL:** <https://forum.dynamobim.com/t/binding-option-error/79004>\
**Category:** Civil 3D\
**Tags:** dynamo\
**Created:** [July 24, 2022, 11:15am UTC](https://forum.dynamobim.com/t/binding-option-error/79004 "2022-07-24T11:15:16Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Ahmed\_Ramy](https://avatars.discourse-cdn.com/v4/letter/a/f17d59/32.png) [@Ahmed\_Ramy](https://forum.dynamobim.com/u/Ahmed_Ramy)\
**Post date:** [July 24, 2022, 11:15am UTC](https://forum.dynamobim.com/t/binding-option-error/79004/1 "2022-07-24T11:15:16Z")

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Hi All ! I’m having this weird error when trying opening my file, any ideas ?

Error : " The Dynamo binding option requires administrator access for the default Civil 3D installation Path "

 ![Untitled](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/6/4/64d3c75df677c2fead69995625ac6476dc3aee6f.png)

[POLYLINES TO C3D PIPES.dyn](https://forum.dynamobim.com/uploads/short-url/8Y2bVojvZKDhN3CGBp4b7YYmo9Z.dyn) (131.5 KB)

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**Author:** ![mzjensen](https://avatars.discourse-cdn.com/v4/letter/m/b77776/32.png) [@mzjensen](https://forum.dynamobim.com/u/mzjensen)\
**Post date:** [July 24, 2022, 1:27pm UTC](https://forum.dynamobim.com/t/binding-option-error/79004/2 "2022-07-24T13:27:02Z")

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Hi @Ahmed_Ramy,

Have a look at this thread, and then the error should make more sense.

> [@Dynamo For Civil 3D Binding](https://forum.dynamobim.com/t/dynamo-for-civil-3d-binding/77487):
>
> Could someone explain to me element binding best practices for Dynamo in Civil 3D? Clearly, if no binding data is retained, dynamo will recreate objects every time the script is run. However, dynamo will store binding data in the graph, in the drawing, and in the drawing for the player; what is the application for each of these options? Say I have script that offsets a polyline. I want Dynamo to allow me to adjust the offset and not recreate the polyline every time the script is run and I want…

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**Author:** ![Ahmed\_Ramy](https://avatars.discourse-cdn.com/v4/letter/a/f17d59/32.png) [@Ahmed\_Ramy](https://forum.dynamobim.com/u/Ahmed_Ramy)\
**Post date:** [July 24, 2022, 1:32pm UTC](https://forum.dynamobim.com/t/binding-option-error/79004/3 "2022-07-24T13:32:26Z")

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Thanks @zachri.jensen for helping !!!