-25355: Error processing LONG value (column '<column_name>'): <error_code> 

Explanation:

You have executed a command to import (IMPORT) or update (UPDATE) data of a table containing LONG columns. The command terminated while reading LONG data from the data flow or during the conversion of LONG data of the specified column. The error <error_code> shows the cause of the error.

See the log file for additional messages describing the cause of the error.

User Response:

Correct the cause of the error and re-execute the command.