Hi!
You need to increase the resolution of the lightmap of the ground mesh.
Follow this link, hope it helps you → LightingTroubleshootingGuide - Lightmap Resolution / Shadow Quality
Should the other shapes have the same resolution
Hi!
You need to increase the resolution of the lightmap of the ground mesh.
Follow this link, hope it helps you → LightingTroubleshootingGuide - Lightmap Resolution / Shadow Quality
Should the other shapes have the same resolution