Canceling Material Documents Within ABAP List-Based PI Sheets 

To cancel a material document from within the PI sheet, proceed as follows:

  1. On the overview screen of the PI sheet, choose Environment ® Cancel ® Material doc.

    2. The initial screen for canceling material documents appears

  2. From here, proceed in the same way as when canceling a material document manually in inventory management.
    For more information, see     Entering Reversal Documents with Reference to Material.