Oracle Error Message
ORA-39137: cannot specify a TABLE_EXISTS_ACTION of string for a job with no metadata
Reason for the Error
A job was defined with the TABLE_EXISTS_ACTION parameter set to REPLACE or SKIP, but without metadata. Without metadata, data could not be loaded for the requested table actions.
Solution
Change the setting of the TABLE_EXISTS_ACTION parameter to APPEND or TRUNCATE or supply Metadata with the data.