How to fix the Oracle error PLS-00491: numeric literal required?

In this post, you’ll learn more about the Oracle ErrorPLS-00491: numeric literal required with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00491: numeric literal required

Reason for the Error PLS-00491: numeric literal required

A constant or variable was used where a numeric literal is required. For example, the code might look like my_ename VARCHAR2(max_len); instead of my_ename VARCHAR2(15); When specifying the maximum length of a VARCHAR2 variable, an integer literal must be used.

How to fix the Error PLS-00491: numeric literal required ?

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

Replace the identifier with a numeric literal.