Oracle Message ORA-24815 - Invalid character set form

ERRORInvalid character set form
CAUSEAn invalid character set form was passed into an OCI LOB function. For example, the only valid cs form for OCILobCreateTemporary() is OCI_DEFAULT(0), SQLCS_IMPLICIT(1) or SQLCS_NCHAR(2).
ACTIONSpecify a valid character set form.