# ReferenceError: define is not defined (when updating to 1.109)

**URL:** <https://community.cesium.com/t/referenceerror-define-is-not-defined-when-updating-to-1-109/27080>\
**Category:** CesiumJS\
**Created:** [September 30, 2023, 3:53pm UTC](https://community.cesium.com/t/referenceerror-define-is-not-defined-when-updating-to-1-109/27080 "2023-09-30T15:53:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![smtremble](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/smtremble/32/16274_2.png) [@smtremble](https://community.cesium.com/u/smtremble)\
**Post date:** [September 30, 2023, 3:53pm UTC](https://community.cesium.com/t/referenceerror-define-is-not-defined-when-updating-to-1-109/27080/1 "2023-09-30T15:53:06Z")

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When updating my Angular application with Cesium 1.109.0 I receive an error:  
“ReferenceError: define is not defined” for multiple files.

createVerticesFromHeightmap.js:25  
createVerticesFromQuantizedTerrainMesh.js:25  
createGeometry.js:25

Looking for help on what might be the cause.

![image](https://global.discourse-cdn.com/cesium/original/3X/2/d/2db68809ed64187a340505caaa6103ba3ef792a1.png)

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<div class="post-metadata">

**Author:** ![Gabby\_Getz](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/gabby_getz/32/7838_2.png) [@Gabby\_Getz](https://community.cesium.com/u/Gabby_Getz)\
**Post date:** [October 3, 2023, 3:28pm UTC](https://community.cesium.com/t/referenceerror-define-is-not-defined-when-updating-to-1-109/27080/2 "2023-10-03T15:28:29Z")

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Hi,

Would you be able to provide your build configuration?