003340: The target dataset must have a GlobalID field with a unique index in order to use the Preserve GlobalIDs geoprocessing environment setting.

Description

When the Preserve Global IDs geoprocessing environment setting is set to true, the GlobalID field in the target dataset must have a unique attribute index.

Solution

If you don't want to preserve the GlobalID values, change the Preserve Global IDs geoprocessing environment setting to false.

If you want to preserve GlobalID values, use Add Attribute Index to create a unique index on the GlobalID field in the target dataset.