Message Oracle SQL*Loader-00816 - error creating temporary directory object string for file string

ERRORerror creating temporary directory object string for file string
CAUSENo existing directory object was found in the database for the directory containing the file. Since all files loaded by external tables must be in a directory named by a directory object, SQL Loader tried to create a directory object for the file.
ACTIONSee error messages that follow this message for more information.