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E2513 Type parameter '%s' must have one public parameterless constructor named Create (Object Pascal)

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This occurs when a generic type doesn't have a public parameterless constructor.


program E2513;

{$APPTYPE CONSOLE}

uses
  SysUtils;

type
  TMyClass = class
  private
    constructor Create();
  end;

  TMyGenericClass<T: constructor> = class
  end;

constructor TMyClass.Create();
begin
  //
end;

var
  GenObj: TMyGenericClass<TMyClass>;
  anObj: TMyClass;

begin
   anObj := TMyClass.Create();
   Writeln('E2513 Type parameter ''%s'' must have one public parameterless constructor named Create');
end.
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