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The Union tool, when called through ArcPy, is not recognize a Python list of feature classes or layers as valid input and throws ERROR 000732 with specific data.

Last Published: June 9, 2015 ArcGIS for Desktop
Bug ID Number BUG-000088110
SubmittedJune 4, 2015
Last ModifiedApril 27, 2022
Applies toArcGIS for Desktop
Version found10.3.1
StatusWill Not Be Addressed

Additional Information

The issue was caused by corrupt data. Running the repair geometry tool resolved the issue.


None if through ArcPy is required. The GP tool interface functions as expected.

Steps to Reproduce

Bug ID: BUG-000088110


  • ArcGIS for Desktop

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