Out Of Stack Range

[Creator]

I am getting the Error on the following code:

procedure CaptchaAlarm(Beeps : Integer);
var
CaptchaNr1 : TSCARBitmap;
CaptchaNr2 : TSCARBitmap;
CaptchaNr3 : TSCARBitmap;
Client : TSCARClient;
BeepCount : Integer;
X : Integer;
Y : Integer;
begin
 CaptchaNr1 := TSCARBitmap.Create('deNqt0L8OQ1AYBfA+gvdptbTaSmw2jyDxEAZCYvAIwuoRDP7sZgYSdt2stCfk3hTpIOlvkHO/73ATzIE5PPfgOO7xV5ZlrSb3Lzjatp1l2WtSluU4jvclgUAOguBNdF2HMoLwA66ea77vIw/DML+IlSiKtHYj0jRtmkZV1duGoig0Xwl8OQzD6wY6eZ7TI0+gr+s6v+G6LlbbeZIksiyvhpIk9X2PFZ1whKZpeNL/E8ex4zhFUSCbpklrl6W5XNd1VVVz9jzvu3ZeQqFt226CKwzDWHXYpSiKUGB/O+103OkDB2UnLA==');
 CaptchaNr2 := TSCARBitmap.Create('deNqVkc2LAWEcx/0JatvNxNJMM7adhCtODk7cpeQsbyXhpOSllLeDlCblJG4cJCTJeivxByAHBzlIirv9NjXb1raH+Rym3+95vs/v+32ekUqkkul0+vUHs9n88g+vInkTCcuyzWZzsVgUi0WlUimTyQiC4DjO5XLJeGKxWLfb7fV6mUxGpVI1Go3NZoPd0+kUCAQg1mq1z+ez3W4TPBg1n8/T6fTlcsnlcvv9PhQKyeVyCMrlMgqHw4Gt5XKJaWhns1kikUCRz+dxEHqfz6dQKPAmRqMRBYa0Wq31em0ymdBCn0qlUMACNfQej+f9F8PhEI6j0cjtdqMdj8ewRn04HCqVCr5er1cloFart9utwWDgeLAyGAzO5/NkMqnVanq9HnpckyTJeDwejUaR4Xq9hsNhREJarCNDNpslBXa7XSQSoSiq0+nADg91v98RZrVaHY9HhmHwu3EjSqBarcKiUCjcbjen01mv1/v9Pk3TOp3u8XjYbDbML5VKtIBGo4EdfgfCYFowGMQphgcJLRaL3++32+2MwIdIPkXCCiSTSavV+tP+p/8G+N0PdA==');
 CaptchaNr3 := TSCARBitmap.Create('deNq1yssJwCAQBUBLsMKgJH4Qkxq2ja1WvT98sBDnPN55NzZERFUvwH8A/Efw778B/w/gPwHZWz8DpQqoRu2wfthr9BlNrymrIA==');
 Client := GetClient;
 if (FindBitmapTol(X, Y, CaptchaNr1, Client.InputArea.X1, Client.InputArea.Y1, Client.InputArea.X2, Client.InputArea.Y2, 10)) then
 begin
   if (FindBitmapTol(X, Y, CaptchaNr2, Client.InputArea.X1, Client.InputArea.Y1, Client.InputArea.X2, Client.InputArea.Y2, 10)) then
   begin
     if (FindBitmapTol(X, Y, CaptchaNr3, Client.InputArea.X1, Client.InputArea.Y1, Client.InputArea.X2, Client.InputArea.Y2, 10)) then
     begin
       for BeepCount := 1 to Beeps do
       begin
         PlaySound(ScriptPath + 'Beep.wav'); //You can remove this line to test its' workings
         Wait(100);  
       end;
     end;  
   end; 
 end;
 CaptchaNr1.Free;
 CaptchaNr2.Free;
 CaptchaNr3.Free;
end;

Why?