
Now just don't pull out your hair, just calm down and try few basic error checking steps for blu ray. Compare the error to the last time you faced blu ray errors. Check if in case disc has the scratches or warps, it's because the blu rays tend to be more sensitive than the CD's and DVD's.
Now you should try and play the disc in other players are you able to watch the movie on other players, if yes then you can be sure of that the problem lies with the player itself, the disc is not at fault, and if not then in that case the disc is at fault. Such a test is necessary if you want to be sure of that the disc is at fault. You may try to get the software help if you want to get the data back on the blu ray disc. CD recovery software or a blu ray disc recovery software can help you recover the data at that point of time.
The CD/DVD/Blu Ray recovery software will retrieve all the data from the corrupt disc and the first thing you need to do at that point in time to recover the data and create a back up file for the data on the disc.
If in case you see that the problem may have encountered just because of the scratches then cleaning of the disc can help the cause.