How to fix the Oracle error DRG-13010: alt_value is already used by another sub lexer?

In this post, you’ll learn more about the Oracle ErrorDRG-13010: alt_value is already used by another sub lexer with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DRG-13010: alt_value is already used by another sub lexer

Reason for the Error DRG-13010: alt_value is already used by another sub lexer

Cause: you tried to specify an alt value which is already in use by another sub lexer in the lexer preference

How to fix the Error DRG-13010: alt_value is already used by another sub lexer ?

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

Action: specify a different alt value