Hey there @gray182800! Welcome to the community!
Is this snippet here pointing to the correct map or is it indicating a fallback?
[2025.07.23-19.47.58:275][854]LogNet: Join request: /Game/ThirdPerson/Maps/ThirdPersonMap?Name=DESKTOP-4G7AF2U-BB4FCA0840EDAA04F5D4FA917576B154?SplitscreenCount=1
[2025.07.23-19.47.58:278][854]LogGameMode: FindPlayerStart: PATHS NOT DEFINED or NO PLAYERSTART with positive rating
[2025.07.23-19.47.58:282][854]LogNet: Join succeeded: DESKTOP-4G7AF2U-BB4F.ThirdPersonMap must be loaded.