002962: An error occurred while reading '<value>' feature class. The last record read successfully: ObjectID = <value>. Make sure the data source is accessible.
Description
The feature class used as the reference data may not be accessible because of the following:
The feature class is stored in a remote folder or on an external disk drive.
The primary reference data is a feature service on a server with low performance or network latency.
The primary reference data is a feature service and the internet connection to the server is lost.
The feature class is locked by another user.
Solution
Ensure that the data source is available, and build the locator again.