I found a problem with mod "Personal Spawns",
then you trying to build something with blueprint + robots game crushing with error:
just FYI1740.517 Error MainLoop.cpp:788: Exception at tick 67270: Error while running event on_robot_built_entity (ID 14)
__Personal_Spawns__/control.lua:96: attempt to index local 'entity' (a nil value)
gl