How To Fix CN324 - Monitoring dates discontinued due to data inconsistency

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 324

• Message text: Monitoring dates discontinued due to data inconsistency

What causes this issue?

You want to save the data for monitoring dates.

System Response

During saving, the system discovered inconsistencies between the
existing data and the updated data. Consequently it could not save the
data.

How to fix this error?

Report the error to SAP, refering to the functions you have carried
out.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN324 - Monitoring dates discontinued due to data inconsistency ?

  The SAP error message CN324, which states "Monitoring dates discontinued due to data inconsistency," typically occurs in the context of project management or controlling modules, particularly when dealing with network activities, dates, or scheduling in SAP.
  Cause:
  The error is generally caused by inconsistencies in the data related to the scheduling of activities or tasks within a project. This can happen due to several reasons, including:
  
  Inconsistent Dates: The start and finish dates of activities may not align correctly, or there may be overlaps that violate the scheduling logic.
  Missing Dependencies: If there are missing relationships or dependencies between tasks, it can lead to inconsistencies in the scheduling.
  Changes in Project Structure: If there have been recent changes to the project structure (like adding or removing tasks), it may lead to inconsistencies in the monitoring dates.
  Manual Adjustments: Manual changes to dates or dependencies that do not comply with the defined rules can also trigger this error.
  
  Solution:
  To resolve the CN324 error, you can follow these steps:
  
  Check Activity Dates: Review the start and finish dates of the activities involved. Ensure that they are logically consistent and do not overlap inappropriately.
  Review Dependencies: Check the relationships between tasks. Ensure that all predecessor and successor relationships are correctly defined and that there are no missing links.
  Use the Project Planning Tools: Utilize SAP's project planning tools to analyze the project structure. Tools like the Project Builder (CJ20N) can help visualize the project and identify inconsistencies.
  Recalculate Dates: If necessary, recalculate the dates for the activities. This can often be done through the scheduling functions in SAP.
  Check for Changes: If there have been recent changes to the project, ensure that all related data has been updated accordingly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling scheduling errors.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CN41 (Network Overview), and CN42 (Network Activity).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific fixes or workarounds.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data setup in your SAP environment.