PCG World Actor preventing the landscape from loading in packaged game - UE5.3.2

First of all, I will gain new information through a fruitful discussion between the two of you. thank you

I have a question regarding this.

Do you know what role a PCG World Actor plays? When using PCG or baking with PCGStamp, a PCG World Actor is created, and even if you delete this, the PCG Stamp lives normally, but I cannot delete it because I don’t know what the problem will be if I delete it.