These console commands should help:
For directional lights:
r.Shadow.Virtual.ResolutionLodBiasDirectional -4
For local lights:
r.Shadow.Virtual.ResolutionLodBiasLocal -4
These console commands should help:
For directional lights:
r.Shadow.Virtual.ResolutionLodBiasDirectional -4
For local lights:
r.Shadow.Virtual.ResolutionLodBiasLocal -4