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When uploading an extension pack containing the requisite manifest.json.txt and json.txt files with syntax errors in the subdirectories, ArcGIS Maps for SharePoint returns the following incorrect error message, "Failed to add the extension package as the manifest file was not found."

Last Published: March 13, 2019 ArcGIS Maps for SharePoint
Bug ID Number BUG-000091486
SubmittedOctober 16, 2015
Last ModifiedJune 5, 2024
Applies toArcGIS Maps for SharePoint
Version foundN/A
Operating SystemN/A
Version Fixed5.0


Use the correct syntax in the JSON files. The real problem is the wording of the error suggesting the manifest.json.txt is not present, which is not true.

Steps to Reproduce

Bug ID: BUG-000091486


  • ArcGIS Maps for SharePoint

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