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Bug

"Error 999999" is returned when running the Group Region tool in ArcGIS Pro 2.9.2. The tool runs successfully on data in ArcMap.

Last Published: August 1, 2022 ArcGIS Pro
Bug ID Number BUG-000148642
SubmittedApril 21, 2022
Last ModifiedJune 17, 2025
Applies toArcGIS Pro
Version found2.9.2
Operating SystemWindows OS
Operating System VersionN/A
Version Fixed3.1
StatusFixed

Workaround

  • Use ArcMap.
  • Run the tool in ArcGIS Pro with output to a different raster format (Tiff, for example). Convert that back to a File Geodatabase (FGDB) raster, if so desired.

Steps to Reproduce

Bug ID: BUG-000148642

Software:

  • ArcGIS Pro

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