How To Fix WB2_ASGT020 - The current assignment is a sub-assignment of another assignment


WB2_ASGT020 - Overview

  • Message type: E = Error

  • Message class: WB2_ASGT - Shadow items ans assignments

  • Message number: 020

  • Message text: The current assignment is a sub-assignment of another assignment

  • Show details Hide details
  • What causes this issue?

    An error has been detected that affects an assignment and one of its
    sub-assignments.

    System Response

    The assignment can be identified by GUID &V2&.
    The sub-assignment can be identified by GUID &V1&

    How to fix this error?

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

    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 WB2_ASGT020 - The current assignment is a sub-assignment of another assignment ?
    The SAP error message WB2_ASGT020, which states "The current assignment is a sub-assignment of another assignment," typically occurs in the context of SAP's Project System (PS) or related modules where assignments and relationships between objects (like work breakdown structures, activities, or resources) are managed.
    
    Cause: This error usually arises when you are trying to create or modify an assignment that is already part of a hierarchical structure. Specifically, it indicates that the assignment you are working with is a sub-assignment of another assignment, which means it cannot be processed independently without addressing its parent-child relationship.
    Solution: To resolve this error, you can take the following steps: Check Assignment Hierarchy: Review the assignment structure to understand the parent-child relationships. You can use transaction codes like CJ20N (Project Builder) or CJ03 (Display Project) to visualize the hierarchy. Modify the Assignment: If you need to change the assignment, ensure that you are working with the correct level in the

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