How to fix the Oracle error DRG-13002: preference string is not a MULTI_LEXER?

In this post, you’ll learn more about the Oracle ErrorDRG-13002: preference string is not a MULTI_LEXER with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DRG-13002: preference string is not a MULTI_LEXER

Reason for the Error DRG-13002: preference string is not a MULTI_LEXER

Cause: you tried to add a sub lexer to a lexer preference which cannot accept sub lexers. Only multi-lingual lexers can accept sub lexers.

How to fix the Error DRG-13002: preference string is not a MULTI_LEXER ?

You can fix this error in Oracle by following the below steps

Action: specify a multi lingual lexer