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    Oracle error: io_z11_write

    • Article Type: Q&A
    • Product: Aleph
    • Product Version: 20


    Oracle error: io_z11_write
    ORA-00001: unique constraint (ICE01.Z11_ID) violated
    appears in log file of Load ALEPH Sequential MARC Records (manage-18) several times. What causes this message?


    The Oracle message may appear when a record is handled by Load ALEPH Sequential MARC Records (manage-18) (or any other loading procedure) and is saved at the same time on server. However, the message may be ignored. The records are handled properly.

    Additional Information

    You may stop daemon ue_01 while running Load ALEPH Sequential MARC Records (manage-18), then the warning should not occur.

    Category: Cataloging (500)

    Subject: Services

    • Article last edited: 10/8/2013