Message Oracle ORA-42016 - shape of interim table does not match specified column mapping

ERRORshape of interim table does not match specified column mapping
CAUSEThe number of columns, or the type or the length semantics of a column, in the interim table did not match the specified column mapping.
ACTIONEnsure that the interim table matches the column mapping by either modifying the column mapping string or altering the interim tables column definition(s).