i have find a solution i write this if someone happen the same problem , in practical with IG i dontknow why download only partial part history of 2020 , therefore i erase a ......2020.t6 history in folder C:\Users\YOUR USER \Zorro\History , and download manually only the 2020 t6 history https://zorro-project.com/download.php the first link in Historical Data Archives (for my case)

thanks at all