problem in decrypting large file

[pederbon at cs.unibo.it]

Hello, When I try to decrypt this file:

27395867626 Feb 16 18:38 dati.tar.gpg

with the command:
gpg --decrypt dati.tar.gpg > dati.tar

I obtain this error:

gpg: fatal: zlib inflate problem: invalid literal/length code
secmem usage: 2048/2048 bytes in 4/4 blocks of pool 2048/32768

And the file dati.tar is 1646067712 byte long

Have you got any Idea ?

Thank you,
                      M A R C O
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