How to fix the Oracle error PLS-00504: type string_BASE may not be used outside of package STANDARD?

In this post, you’ll learn more about the Oracle ErrorPLS-00504: type string_BASE may not be used outside of package STANDARD with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00504: type string_BASE may not be used outside of package STANDARD

Reason for the Error PLS-00504: type string_BASE may not be used outside of package STANDARD

In a declaration, the datatype NUMBER_BASE (for example) was mistakenly specified. The datatypes CHAR_BASE, DATE_BASE, MLSLABEL_BASE, and NUMBER_BASE are for internal use only.

How to fix the Error PLS-00504: type string_BASE may not be used outside of package STANDARD ?

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

Specify (for example) the datatype NUMBER instead of NUMBER_BASE.