Unable to reproduce this issue as submitted. If this is still an issue in the current version, please contact Esri Support Services.
対処法
Use the Clip tool to clip the data and the Layer to KML tool to convert the data.
Project the data to the WGS 1984 Web Mercator (auxiliary sphere) coordinate system, clip the data with the Clip tool, and use the Quick Export tool to convert the data to a Keyhole Markup Language (KML) or KMZ file.