Oracle : Ошибка ORA-34719

"(NLSCHARSET03) Character data loss in NTEXT/TEXT conversion"
*Cause: When character set conversion happens between TEXT and NTEXT
either implicitly or explicitly, some characters are lost
due to no mapping characters in the destination character set.
*Action: Make sure all the characters can be mapped to destination
character set or set NLS_NCHAR_CONV_EXCP to be FALSE.
Note: This message is the OLAP equivalent of ORA-12713.

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