Panasonic DVD player stopped reading all my Panasonic recorded discs

My Panasonic DVD player stopped reading all my Panasonic recorded discs. I bought a new player and the same thing. All the discs cannot be bad. There are no smudges, cracks , or anything else wrong with any disc. I am talking about scores of discs.

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crwdns2889612:0crwdne2889612:0 0

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When were the disks made?

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