How To Fix DT721 - View & cannot be buffered


DT721 - Overview

  • Message type: E = Error

  • Message class: DT - Table activation (incl. indexes)

  • Message number: 721

  • Message text: View & cannot be buffered

  • Show details Hide details
  • What causes this issue?

    Selects on the checked view &V1& can return double entries because the
    key is not completely defined. The buffer cannot store them because it
    first sorts entries to be stored, and this is not possible in this
    particular case. As a result, you cannot buffer the view in question if
    you want to keep its current definition.

    System Response

    The technical settings of &V1& are not activated.

    How to fix this error?

    For an object of View type, the tecnnical settings only include
    buffering attributes, but as mentioned, these are meaningless in this
    particular case.
    Define explicitly that buffering is not permitted for this view or
    delete its techncial settings.
    You can also include the key fields of the base tables in the view, that
    is, you change the view definition itself first. Make sure that the key
    fields are at the beginning of the View definition. Buffering is then
    possible since the entries that are returned can be sorted because they
    are unambiguous.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message DT721 - View & cannot be buffered ?
    The SAP error message DT721, which states "View & cannot be buffered," typically occurs when you attempt to buffer a database view that is not eligible for buffering. This can happen for various reasons, including the nature of the view itself or the underlying tables involved.
    
    Cause: Non-Bufferable View: The view may be defined in such a way that it cannot be buffered. This can include: The view is based on multiple tables. The view includes certain types of joins or aggregations. The view is defined with certain SQL constructs that prevent buffering. Database Constraints: The underlying tables may have constraints or characteristics that prevent the view from being buffered. Technical Settings: The technical settings of the view may not allow for buffering. For example, if the view is defined as a "read-only" view or if it has certain fields that are not suitable for buffering.
    Solution: Check View Definition: Review the definition of the view in transaction SE11

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