| ERROR | unable to import data into pre-existing queue table string. Table_exists_action of string being ignored for this table |
| CAUSE | A Data Pump import detected that a queue table that was to be imported already exists. Importing data into pre-existing queue tables is not supported. |
| ACTION | If the data from the dump file is desired, then drop the queue table and perform the import again, or use the import parameter table_exists_action=replace. |