* The system cannot be installed because the age of the host is not enough to start the system *. 'Shit ... shit ... shit' shouted Kevin in the hearts of old man who brought Kevin just saw Kevin quietly see the baby he was carrying like he would cry out annoyed and start trying to calm him down so as not to cry. kevin finally calmed down and looked back at the next message given by the system * the system will be installed when the age of the host has reached 6 years * Kevin feels calm because the system is not lost due to failure to install.