Message Oracle SQL*Loader-00601 - For INSERT option, table must be empty. Error on table string

ERRORFor INSERT option, table must be empty. Error on table string
CAUSEA non-empty table is being loaded with the INSERT option.
ACTIONUse the REPLACE keyword to empty the old table and store the new data in its place. Use the APPEND keyword to leave the tables contents intact and add the new data to it.