Decryption problem - private key

[fel]

I'm trying to decrypt a file that I encrypted for myself.

I managed to have an output of gpg --list-secret-keys but I still can't
decrypt the file. 

Here is the output of gpg --output doc --decrypt doc.gpg:

    gpg: encrypted with 2048-bit RSA key, ID 4A83B612, created 2018-02-19
"user " gpg: decryption failed: secret key not available





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