Linear light properties and adjustments

Hello,
I am pretty new to rendering models with VRay in Rhino so my problem may have very easy and quick solution but I just can’t seem to work it out.
I built a model of a kitchen and added some linear lights on the bottom of the upper cupboards. It’s all been working out fine but somewhere along the way (and I can’t say where) the light properties box changed and I cannot adjust the light anymore in terms of its visibility, decay and stuff like that. I will attach two pictures to show you what I mean. I don’t know if it is the case of adding more lights to the scene somewhere else because when I added new rectangular light outside the room, that one still could be adjusted in terms of decay, invisible mode or double-sidedness…

If I delete the lights and create them again, they will be adjustable in a way I need, but I don’t want to go into changing all these lights in a model everytime this happens.

Thanks for all your help,
Patla

It looks like the light has been transformed from a V-Ray light into a simple Rhino light.
I never saw this happening so I think it’s safe to simply delete it and create a new one.