How to fix the Oracle error PLS-00555: default expressions are not allowed for SQL operators?

In this post, you’ll learn more about the Oracle ErrorPLS-00555: default expressions are not allowed for SQL operators with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00555: default expressions are not allowed for SQL operators

Reason for the Error PLS-00555: default expressions are not allowed for SQL operators

A default expression has been specified for a SQL operator.

How to fix the Error PLS-00555: default expressions are not allowed for SQL operators ?

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

Eliminate the default expression from the operator.