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Bug

Importing a custom widget in Portal for ArcGIS Experience Builder, along with 3rd-party libraries that are dynamically loaded, throws a ChunkLoadError.

ArcGIS Experience Builder developer edition
Bug ID Number BUG-000171440
SubmittedOctober 11, 2024
Last ModifiedAugust 5, 2025
Applies toArcGIS Experience Builder developer edition
Version found1.15
Operating SystemWindows OS
Operating System Version10.0 64 Bit
Version Fixed1.16
StatusFixed

Additional Information

This is fixed in developer edition 1.16 (Dec. 4th 2024 release)

Workaround

Adding the chunks folder to the directory below resolves the issue: C:\ProgramFiles\ArcGIS\Portal\apps\experiencebuilder\widgets\.

Steps to Reproduce

Bug ID: BUG-000171440

Software:

  • ArcGIS Experience Builder developer edition

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