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Bug

The Append tool in ArcGIS Pro freezes when run if the Input Datasets parameter is set to an event layer and the datasets for both the Input Datasets and Target Dataset parameters contain 1,000 features or more.

ArcGIS Pro
Bug ID Number BUG-000171696
SubmittedOctober 23, 2024
Last ModifiedMarch 12, 2025
Applies toArcGIS Pro
Version found3.3.2
Operating SystemWindows OS
Operating System Version10.0 64 Bit
StatusKnown Limit

Additional Information

The Append tool prevents operations where the target dataset and the input dataset are the same. However, the behavior observed is a known limitation when 'MakeXYEventLayer' is run on a given feature class and used as input to the Append tool, and the target dataset is the same feature class that is referenced by the event layer.

Workaround

Instead of setting the Append tool's Input Datasets parameter to an event layer, set that parameter to a feature class copy of the event layer.

Steps to Reproduce

Bug ID: BUG-000171696

Software:

  • ArcGIS Pro

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