ORA-22998: CLOB or NCLOB in multibyte character set not supported Cause: A CLOB or NCLOB in afixed-width or varying-width multibyte character
set was passed to a SQL character function which does not support multibyte LOB
data. Action: Use DBMS_LOBfunctions such as DBMS_LOB.INSTR() and DBMS_
LOB.SUBSTR()