Unity 5 Point Light Bug

Hi everyone firstly sorry for my English i add my game streetlights so they have pointlight but when these lights close each other i see this bugs (in picture black planes). this bug fixes in game when i walk on them or when these lights far away from each other i couldn’t figure out this can someone help

Try setting the render mode on the light component to ‘Important’.
62681-render-mode.png

Thanks. This worked for me!