How To Fix CN829 - Finish of time interval must not be positive


CN829 - Overview

  • Message type: E = Error

  • Message class: CN - Meldungen für Netzpläne

  • Message number: 829

  • Message text: Finish of time interval must not be positive

  • Show details Hide details
  • What causes this issue?

    You have entered a value for the time interval that is <ZH>after</>
    the finish date of the activity. This is not allowed.

    System Response

    INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

    How to fix this error?

    Enter a different time interval for the finish of the activity element.

    Error message extract from SAP system. Copyright SAP SE.


CN829 - Details

  • The SAP error message CN829 ("Finish of time interval must not be positive") typically occurs in the context of project management or network planning within SAP, particularly when dealing with scheduling and time intervals for activities or tasks.
    
    Cause: This error usually arises when there is an inconsistency in the scheduling of activities. Specifically, it indicates that the finish date or time of a time interval (such as a work package or task) is set to a positive value (i.e., a future date) when it should not be. This can happen due to: Incorrect Date Entries: The finish date of a task is set incorrectly, possibly due to manual entry errors. Dependencies and Constraints: There may be conflicting dependencies or constraints that lead to an invalid scheduling scenario. Project Structure Issues: Problems in the project structure, such as overlapping tasks or incorrect relationships between tasks, can also trigger this error.
    Solution: To resolve the CN829 error, you

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