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