Book+ID+Does+Not+Exist

First, double check that the number is being entered or scanned properly. the X, Zeroes, and spaces are recognized as characters.
 * Book ID Does Not Exist**

It is possible that the book was not entered to the Zangle system during inventory conversion from the Follett System. Books that were marked as lost were not entered to the Zangle system. Return these books to the Media Center so we can check for refunds and add to inventory.