Delphi Error – E2551 There is no type parameterized methods of ‘%s’ that can be used with these number of type parameters

Delphi Compiler Error

E2551 There is no type parameterized methods of ‘%s’ that can be used with these number of type parameters

Reason for the Error & Solution

This occurs when using a method with the wrong number of type parameters.

program E2551;

{$APPTYPE CONSOLE}

uses
  SysUtils;

type
  TClass1 = class
    class procedure Proc1<T, V>();
    class procedure Proc2<T>();
  end;

class procedure TClass1.Proc1<T, V>;
begin
end;

class procedure TClass1.Proc2<T>;
begin
end;

begin
  TClass1.Proc1<Integer>();
  TClass1.Proc2<String, Boolean>();
end.