"CE_COPY_NOT_ALLOWED- no permission to copy the book"

When I tried to load borrowed books from ADE to my Nook Simple Touch, they would not open on the ereader. I then followed some instructions to delete the adobe digital editions folder from the ereader, and not the books will not transfer at all. The error message reads "CE_COPY_NOT_ALLOWED- no permission to copy the book". I really just want to read my book...