In this post, you’ll learn more about the Oracle ErrorPLS-00520: MAP methods must be declared without any parameters other than (optional) SELF. with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
PLS-00520: MAP methods must be declared without any parameters other than (optional) SELF.
Reason for the Error PLS-00520: MAP methods must be declared without any parameters other than (optional) SELF.
A MAP member function was declared with a parameter. Map member functions can have only one parameter: the default SELF parameter. Map methods must be declared without any parameters. The compiler adds the SELF parameter.
How to fix the Error PLS-00520: MAP methods must be declared without any parameters other than (optional) SELF. ?
You can fix this error in Oracle by following the below steps
Remove the parameter from the map member function.