ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Editing Namespace / EditOperation Class / ErrorMessage Property

ErrorMessage Property (EditOperation)
Gets and sets the ErrorMessage.
Syntax
public string ErrorMessage {get; set;}
Remarks
If an EditOperation fails, the ErrorMessage is set with the error, if known.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also