If your PS4 isn’t taking in a disc, isn’t able to read a disc, or you can’t take a disc out, there may be something wrong with the disc drive inside of your PS4. This will especially be the case...
It is well-known in the gaming community that PS4 HDMI ports are a weak point in the console, especially for the Original. These ports are integral to the system since it’s what you need to connect your console to the TV, so it’s unfortunate when it stops working correctly.