This is most likely because the user filled in the wrong APPKEY when registering the node. Many users fill in the "APPSKEY" when registering a node. Please note the distinction between "APPKEY" and "APPSKEY".
It is likely that the user filled in the wrong appkey when registering the node. Many users fill in "appkey" when registering nodes. Please note the distinction between "appkey" and "appkey".
It is likely that the user filled in the wrong APPKEY when registering the node. Many users fill in "APPSKEY" when registering nodes. Please distinguish between "APPKEY" and "appkey".