Tfv4 octuple coil leaks

[Pat98]

so I have the tfv4 with the octuple coul and I normally vape at 100-125 watts and I can fill it up and vape for a few with no problems but I set it down and come back after 15 minutes and all of my juice is leaking out, I have taken it apart and checked everything and I put it all back together and it still leaks help please!!