E2543 Instantiated data type '%s' too large: exceeds 2 GB (Delphi)

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This occurs when the type for the generic class is too large.

program E2543;
{E2543 Instantiated data type '%s' too large: exceeds 2 GB}
 
{$APPTYPE CONSOLE}
 
uses
  SysUtils;
 
type
  TGenericArray <T> = class
    a: array [1..MaxLongint] of T;
 
  end;
 
var
  array1 : TGenericArray<Longint>;
begin
   array1 :=  TGenericArray<Longint>.Create;
end.