Weird shadows in Unreal 5 with Ultra Dynamic Sky

Hello, we are doing a prototypy of a video game project for school and we are having an issue with shadows. They are wrong and dark around our character and in little corners, it is as they were really amplified, it looks like the image is burnt. Here is a link to see the pictures : https://drive.google.com/drive/folders/13NTNFfK25PbgLMsFAjBRWiVnjiYeAjqX?usp=share_link