unreal default openworld map load only part region

hello i do not know why the default default openworld map load only part in my project like this


but the correct map in another project is like this

could you help me, thank you

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i delete my saved , Intermediate, DerivedDataCache and recompile then it worked

That usually helps :wink:

Next time you could check if the region is loaded in your Worldpartition editor.