I have just bought a Hanvon ereader and it has adobe digital editions. I have authorised it as a device on my adobe digital editions on my computer and correctly transferred the book to my device but when I try to open it I get the message "no valid license for the book". Can anyone help me as this is the 2nd ereader I have tried with adobe digital editions and I haven't yet been able to read a library book on either one. My ereader is on the adobe supported devices list, it is a Hangwang Pty Ltd Wise reader N520.
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