How To Fix APO_BAPI128 - Incorrect or multiple components have been defined as main products


APO_BAPI128 - Overview

  • Message type: E = Error

  • Message class: APO_BAPI - Message Class for APO BAPIs

  • Message number: 128

  • Message text: Incorrect or multiple components have been defined as main products

  • Show details Hide details
  • What causes this issue?

    For an order, a maximum of one (receipt) component can be defined as a
    main product (IS_MASTER).
    In the given case, several components or invalid components (for
    example, requirements elements) were specified as main products.

    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?

    Check if the indicator for the main product is being used correctly in
    accordance with the documentation in the given case.

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message APO_BAPI128 - Incorrect or multiple components have been defined as main products ?
    The SAP error message APO_BAPI128 indicates that there is an issue with the configuration of main products in the Advanced Planning and Optimization (APO) module. Specifically, it suggests that either an incorrect component has been defined as a main product or that multiple components are incorrectly defined as main products.
    
    Cause: Incorrect Configuration: The main product may not be correctly defined in the system. This can happen if the product master data is not set up properly. Multiple Main Products: If more than one component is marked as a main product in a product hierarchy or in a specific planning scenario, this error will occur. Data Inconsistency: There may be inconsistencies in the data being sent to the BAPI (Business Application Programming Interface) that handles product definitions.
    Solution: Check Product Master Data: Go to the product master data in APO and verify the configuration of the products involved. Ensure that only one product is defined as the

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