No image if G-Sync/VRR is enabled and frequency is bellow 50Hz

I have tested this with LG C9 and C1.

If g-sync/vrr is enabled and we choose any frequency bellow 50Hz, we lose image.

515.48.07

Black image when frequency is bellow 50Hz with GSYNC/VRR.

LG OIed users, can you guys test it ?