How to fix the Oracle error DRG-13308: query operator ABOUT not supported by USER_LEXER?

In this post, you’ll learn more about the Oracle ErrorDRG-13308: query operator ABOUT not supported by USER_LEXER with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DRG-13308: query operator ABOUT not supported by USER_LEXER

Reason for the Error DRG-13308: query operator ABOUT not supported by USER_LEXER

Cause: the query contains an ABOUT operator while using USER_LEXER lexer type

How to fix the Error DRG-13308: query operator ABOUT not supported by USER_LEXER ?

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

Action: remove ABOUT operator from query or use lexer type other than USER_LEXER