How to fix the Oracle error PLS-00594: the SELF parameter can be declared only as IN or as IN OUT?

In this post, you’ll learn more about the Oracle ErrorPLS-00594: the SELF parameter can be declared only as IN or as IN OUT with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00594: the SELF parameter can be declared only as IN or as IN OUT

Reason for the Error PLS-00594: the SELF parameter can be declared only as IN or as IN OUT

The SELF parameter was declared as an OUT parameter.

How to fix the Error PLS-00594: the SELF parameter can be declared only as IN or as IN OUT ?

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

Declare the SELF parameter as either an IN or an IN OUT parameter.