laptop and a wrench

Bug

Collector for ArcGIS returns the following error message when syncing back to Portal for ArcGIS, "Error code 500: Failed to synchronize. Unknown error occurred." "Illegal State"

Last Published: December 12, 2019 ArcGIS Collector
Bug ID Number BUG-000127285
SubmittedDecember 10, 2019
Last ModifiedJuly 22, 2025
Applies toArcGIS Collector
Version found19.2.0
Operating SystemApple iOS
Operating System Version13.0x
Version Fixed20.1
StatusFixed

Steps to Reproduce

Bug ID: BUG-000127285

Software:

  • ArcGIS Collector

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