Message Oracle PLS-00586 - a static method cannot declare a parameter named SELF

ERRORa static method cannot declare a parameter named SELF
CAUSEAn attempt was made to name a parameter SELF when declaring a static method. SELF is reserved as a parameter name in methods, to hold the object instance on which the method is applied. A parameter named SELF is not allowed in static methods because static methods do not apply to a particular object instance.
ACTIONChange the name of the parameter in the declaration.