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Bug

ArcGIS Online Instant App shows a blank screen when launched and returns an error, "TypeError: t.load is not a function in browser Developer Tools console" if a layer was uploaded as a CSV or GeoJSON file to Map Viewer Classic and configured as a search source for the app.

ArcGIS Online
Bug ID Number BUG-000181149
SubmittedNovember 21, 2025
Last ModifiedDecember 30, 2025
Applies toArcGIS Online
Version foundOctober 2025
Operating SystemWindows OS
Operating System Version11.0 64 bit
StatusIn Review

Workaround

  • Add the web map to ArcGIS Pro and republish the layers as standalone hosted feature layers or as a new web map.
  • Configure the Instant App and remove the GeoJSON or CSV file from being used as a search source in the app.

Steps to Reproduce

Bug ID: BUG-000181149

Software:

  • ArcGIS Online

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