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Memory card error on PAnasonic lumix

Suddenly , when the camaraderie is switch on , it will not function . Memory card error appears on the screen. I've tried another memory card and the same message appears

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crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 2
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