Error while running event Concreep::on_init()
LuaEntity doesn't contain key created_entity.
stack traceback:
Concreep/control.lua:298: in function 'addPort'
Concreep/control.lua:7: in function <Concreep/control.lua:1>
stack traceback:
[C]: in function 'index'
__Concreep/control.lua:298: in function 'addPort'
Concreep/control.lua:7: in function <Concreep/control.lua:1>

Are you running Bobs Logistics, by any chance?

yep

Turns out this wasn't a mod conflict! It's fixed now.