[5.3][World partition][HLOD] HLOD with different lighting in specific regions

Development World Creation
, , ,
1

editor_OK
editor_OK1834×923 395 KB

LightingDifference_POV1
LightingDifference_POV11826×909 370 KB

LightingDiffrence_POV2
LightingDiffrence_POV21824×919 396 KB

Hi, I have this strange artifact where a specific grid produce a different lighted material from the rest.

Any idea on how can I fine-tune the HLOD generation to find the culprit?