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Can you verify that you are trying to load ".keys" file? .keys file should be opened with no problem.
There is no errors or something in fcn daemon. set_log 3 works fine, that's fine. If you will have some issues you will be able to see this issues at set_log 2 level.
how to load ".keys" file from fcn simplewallet 2.0 ?. i can't open .wallet file use simplewallet 2.0.