How To Fix CN044 - An assignment to a standard WBS element already exists


CN044 - Overview

  • Message type: E = Error

  • Message class: CN - Meldungen für Netzpläne

  • Message number: 044

  • Message text: An assignment to a standard WBS element already exists

  • Show details Hide details
  • What causes this issue?

    You have created a network by copying from a standard network. The
    standard network is assigned to a standard WBS.
    However, at the same time, you have made your own assignments to WBS
    elements.

    System Response

    When you manually make assignments to WBS elements, the system does not
    necessarily take the asignments in the standard stuctures into account.

    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.

    When you call up the function <ls>replace standard WBS</> or when you
    <ls>save</> the network you decide whether the manually created WBS
    assignments or those fronm the standard structures are copied.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message CN044 - An assignment to a standard WBS element already exists ?
    The SAP error message CN044 ("An assignment to a standard WBS element already exists") typically occurs when you attempt to assign a cost element or a transaction to a Work Breakdown Structure (WBS) element that already has an existing assignment. This can happen in various scenarios, such as when trying to create a new assignment or when attempting to post costs to a WBS element that is already linked to another project or cost object.
    
    Cause: Existing Assignment: The WBS element you are trying to assign to already has an existing assignment, which prevents you from making a new one. Incorrect Configuration: There may be configuration settings in the project system that restrict multiple assignments to the same WBS element. Data Entry Error: The user may have mistakenly tried to assign the same cost element or transaction multiple times.
    Solution: Check Existing Assignments: Use transaction codes like CJ20N (Project Builder) or CJI3 (Project Actual Line Items)

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