No light / shadow when severals lights using shadow mask

[grave wadi]

any idea how to solve this please, using Unity 6.2, URP

[tidal glacier]

This window should report how many lightmaps have been baked
No kind of lightmap bake can happen that quickly either, so it really looks like you're not baking anything at all

No need to tweak indirect intensity per light, just keep it at 1 for all