The method that was called failed, because the buffer for the connection to the database instance is too small to execute the SQL statement.
The SQL statement is probably too long or too complicated, or additional functions such as the SQLDBC_Prepared_Statement::setCommandInfo method were used.
The following options are available:
· Use the _PACKET_SIZE database parameter to increase the buffer size.
· Shorten the SQL statement.
· Use less parameters/columns in the SQL statement.
Database System Concepts, Database Parameters