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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _safe_read_meta_file(fn, error_protocol):
 """ Try to read MetadataFile. If the exception is raised, log the errors to the `error_protocol` and return None. """

    try:
        return MetadataFile(fn)
    except Exception, e:
        error_protocol.append(
            "Can't read MetadataFile '%s':\n\t%s\n" % (fn, e.message)
        )