PLS-00520: MAP methods must be declared without any parameters other than (optional) SELF.
Cause: 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.
Action: Remove the parameter from the map member function.
PLS-00521
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PLS-00520MAP methods must be declared without any parameters other than (optional) SELF.