Cannot load into non simple data

Error Message

When loading data to a feature class using the Simple Data Loader, the following error displays:

Error:
Cannot load into non simple data

Cause

This error occurs when the Simple Data Loader is used to load data into a feature class in a relationship class, geometric network, topology, or other relationships. The Simple Data Loader is incompatible with non-simple data.

Solution or Workaround

Use the Load Objects command.

Refer to the following page, Adding the Load Objects command to ArcMap to add the Load Objects command to the Editor toolbar. Use the Load Objects command to load data into a non-simple feature class. For more information, refer to the following page, Loading data with the Load Objects command.