How To Fix GB028 - Vector operations (&) are not allowed for this callup point


GB028 - Overview

  • Message type: E = Error

  • Message class: GB - Messages used by the Boolean code generator

  • Message number: 028

  • Message text: Vector operations (&) are not allowed for this callup point

  • Show details Hide details
  • What causes this issue?

    You have tried to use a column-related mathematical operator. However,
    column-related operators (SUM, AVG, MAX, MIN) can only be used when a
    list of data is being used in parallel processing.
    For this callup point, the lines of data are only processed sequentially
    and you cannot therefore use column-related operators.
    k?nnen.

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?

    Reset the "Parallel" indicator in the validation/substitution step.
    If the field "Parallel" is not displayed, you must choose an
    appropriate callup point and create a validation/substitution for this
    callup point.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message GB028 - Vector operations (&) are not allowed for this callup point ?
    The SAP error message GB028, which states "Vector operations (&) are not allowed for this callup point," typically occurs in the context of ABAP programming, particularly when dealing with vector operations in a specific callup point where they are not permitted.
    
    Cause: The error is generally caused by attempting to perform vector operations (like using the & operator) in a context where such operations are not allowed. This can happen in various scenarios, such as: Incorrect Callup Point: The operation is being executed in a callup point that does not support vector operations. For example, certain function modules or methods may have restrictions on the types of operations that can be performed. Data Type Issues: The data types being used in the vector operation may not be compatible with the expected types for that callup point. Program Logic Errors: There may be a logical error in the program where vector operations are incorrectly applied.
    Solution: To resolve

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