Roof Light problrm
 

Since few days the front roof light and seat belt warning light stopped working with either driver or the front passenger door but it works fine with the buttons attached to it.
the door opening switch looks fine too beacuse when i open any of the front door, the light attached to the bottom of the door lights up.
the rear roof light works with the rear door opening.

my car is a w124 230e 1989.