Bad Quality shadows form spotlight (Pixelated shadows)

Hello everyone! I have a problem with the shadows in UE4.14.3, the shadows that the spotlight cast are jagged and in bad quality despite of my floor’s lightmaps resolution are 1024 and they are correclty unwrap. It happens only in the shadows form the spotlight, the other shadows that come from the directional they are fine.

This are the shadows comming from the spotlights:

This are the shadows comming from the sun:

I dont know if it helps but this are the lightmaps settings:


And this are the settings for the spotlight:

Thanks for the help