• Error message: E_AUT_USER_ALREADY_ REGISTERED

    You are trying to open an ebook that has already been opened on an authorized device, on a device that is not authorized. When you open an ebook on different devices, make sure that they are all authorized with the same Adobe ID.

  • Error message: E_BAD_LOAN _ID

    This message sometimes appears when returning a book. It is a known bug in Adobe Digital Editions version 2. You must wait until the end of the lending period for the book to be returned. Please note that this bug does not necessarily occur with all returns.

  • Error message: E_LIC_ALREADY_RETURNED

    You are trying to open a book that has already been returned. If you want to open it, you need to borrow it again.

  • Error message: E_ADEPT_IO

    An error occurred while downloading the ebook. Try opening the .acsm file again.

  • Error message: E_ADEPT_DATABASE

    This error message indicates a communication problem between your computer and the ebook warehouse where the platform's books are stored. Check your Internet connection and make sure that no program, such as antivirus software or a firewall, is blocking the connection. If the error persists, the digital warehouse may be temporarily down. Please wait a few minutes and try reopening the book.

  • Error message: E_ADEPT_TIMEOUT

    This error message indicates a communication problem between your computer and the ebook warehouse where the platform's books are stored. Check your Internet connection and make sure that no program, such as antivirus software or a firewall, is blocking the connection. If the error persists, the digital warehouse may be temporarily down. Please wait a few minutes and try reopening the book.

  • Error message: E_ADEPT_REQUEST_EXPIRED

    This error occurs when one or more settings on your computer are incorrect, such as the time, date or time zone. Check your settings and restart Adobe Digital Editions.

  • Error message: E_URLLINK_NO_DISTRIBUTION_RIGHTS

    This error indicates a problem with the ebook file. It is not caused by you or your computer. Please notify your library of this error.

  • Error message: E_ADEPT_NO_TOKEN

    This error indicates a problem with the ebook file. It is not caused by you or your computer. Please notify your library of this error.

  • Error message: E_LIC_ALREADY_FULFILLED_BY_ANOTHER_USER

    You are trying to open an ebook that has already been opened on an authorized device, on a device that is not authorized. When you open an ebook on different devices, make sure that they are all authorized with the same Adobe ID.

  • Error message: E_LIC_LICENCE_SIGN_ERROR

    This error indicates a problem with the ebook file. It is not caused by you or your computer. Please notify your library of this error.

  • Error message: E_ADEPT_CORE_DECRYPT_LICENSE_KEY

    This error message is due to a known incompatibility between Adobe Digital Editions version 3 and the platform's ebooks. To fix this problem, you must reinstall version 2 of Adobe Digital Editions.

  • Error message: Error contacting authentication server.

    This error message generally indicates a problem with your Internet connection. Check your Internet connection and make sure that no program, such as antivirus software or a firewall, is blocking the connection.

  • Error message: None of the requested vouchers could be obtained.

    An error occurred while downloading the ebook. Try opening the .acsm file again.

  • Error message: E_AUTH_BAD_DEVICE_KEY_OR_PKCS12.

    This error message indicates a problem with your reading device or application. Try to install and uninstall your reading application, then authorize your Adobe ID again.