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Adding Tree to a screen set

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  • Adding Tree to a screen set

    Hi,

    I am working on a requirement to show child PO’s with parent PO in screen set which is based on BUY_SHIPMENT query_id. I am using this query_id as I have to display source,destination,haulier,appointment_start_time and late running event from refnum.

    I am displaying parent PO from shipment_refnum, and to show child PO, I used tree linking with SHIPMENT_TO_SHIP_UNITS referring public screen set S_SHIP_UNIT.
    The S_SHIP_UNIT_GID column of S_SHIP_UNIT table has details of child PO.

    The output is showing tree of referring ship units which are same as of child PO’s. But when I click on the child PO’s link, I am getting java null pointer exception.

    Please advice what wrong I am doing , and advice any other solution also.

    Many Thanks,
    Dev
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