E_ADEPT_DOCUMENT_TOO_SHORT error

[Jaysun7038]

I recently purchased a book from ebooks.com in the EPUB format, but am getting the following error: 

Unable to download

Error getting license. License Server Communication Problem:

E_ADEPT_DOCUMENT_TOO_SHORT

I have purchased two other books in PDF format that have worked just fine.  I have also authorized 3 separate machines with ADE 2.0 and I can read the PDF books just fine on all three, but I get this error on all 3 when trying to download the EPUB book.  Has anyone else experienced this?  Please help.  Thanks.

[ciando_eBooks]

Hi,

the EPUBs on the server of your deliverer are currupt.

Regards