Ring Indoor Camera not working at certain times

Hi, I have the Ring Indoor camera, and these past few weeks i noticed that the camera stops working after 6/8pm and starts working again in the morning. I tried deleting and resetting the cam - for nothing The internet is good because i have other cameras which are further away and still working ok. I have 11 Ring cameras and only this one is not functioning properly and it is frustrating being unable to live view or see any movement recordings from this indoor cam. Can someone help me regarding this matter please ? Thanks in advance.