Error messages display when you migrate tables with large number of columns

[CR #549882] If you migrate wide tables using the Migration wizard, you may see this error message at the end of the migration process:

An error occurred during execution of the engine.
Commit Failed: Client Library Message: severity(0)
layer(1) origin(1) number(50) Text: ct_cmd_drop(): user
api layer: external error: The connection has been
marked dead.

Cannot execute the last command.

Please refer to the Message section.

The migration failed due to the previous error. Unable to open the generated job.

Despite the error message, the table is successfully migrated to the target database, and you can manually open the generated job to transform the data.

Workaround: This error displays if you are using the Sybase interface to connect to the source database and if the OCS version being used is 15.0 ESD #13 or later. To prevent this error: