How to Resolve Experience Site Error Unable to Prodceed unil Folder Structure is synced

How to Resolve Experience Site Error Unable to Prodceed unil Folder Structure is synced

Below i have attached the steps, please follow the mentioned steps and provide the permission and it will work as expected, Quick find > Sharing settings > XFP Object setup > for Default External Access make it Public Read/Write, Below i have attached the screenshot for your reference,