Bug
Using the Python syntax 'lyr.getSelectionSet()' on basemap layers returns an error message, "RuntimeError", in ArcGIS Pro.
| Bug ID Number | BUG-000179349 |
|---|---|
| Submitted | September 9, 2025 |
| Last Modified | January 6, 2026 |
| Applies to | ArcGIS Pro |
| Version found | 3.5.2 |
| Operating System | Windows OS |
| Operating System Version | 11.0 64 bit |
| Version Fixed | 3.7 |
| Status | Fixed |
Additional Information
This issue is addressed in ArcGIS Pro 3.7.Workaround
Use a property check before calling getSelectionSet():
if lyr.isFeatureLayer and not lyr.isBasemapLayer:
sel = lyr.getSelectionSet()
Steps to Reproduce
Bug ID: BUG-000179349
Software:
- ArcGIS Pro
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