laptop and a wrench


If a single point has more than 12 to 15 image attachments, the error "Illegal start of token," intermittently occurs when synchronizing in Collector for ArcGIS (iOS) through the Web Adaptor.

Last Published: July 22, 2019 Collector Classic for ArcGIS (iOS)
Bug ID Number BUG-000093932
SubmittedFebruary 2, 2016
Last ModifiedMarch 30, 2022
Applies toCollector Classic for ArcGIS (iOS)
Version found10.3.6
Operating SystemApple iOS
Operating System Version9.0x

Additional Information

This issue is not reproducible in Collector for ArcGIS 19.1.

Steps to Reproduce

Bug ID: BUG-000093932


  • Collector Classic for ArcGIS (iOS)

Get help from ArcGIS experts

Contact technical support

Download the Esri Support App

Go to download options

Discover more on this topic