How To Fix CN452 - Milestone & has not been created

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 452

• Message text: Milestone & has not been created

What causes this issue?

INCLUDE NA_ALLG_SYSTEM OBJECT DOKU ID TX

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

INCLUDE NA_ALLG_SYSTEMVERW OBJECT DOKU ID TX

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN452 - Milestone & has not been created ?

  The SAP error message CN452 ("Milestone & has not been created") typically occurs in the context of project management and is related to the creation of milestones in a project. This error indicates that a milestone that is expected to be created has not been successfully generated in the system.
  Causes:
  
  Missing Configuration: The milestone may not be properly configured in the project definition or in the project planning settings.
  Incorrect Dates: The dates associated with the milestone may be incorrect or not aligned with the project schedule.
  Dependencies: There may be dependencies or prerequisites that have not been met, preventing the milestone from being created.
  Authorization Issues: The user may not have the necessary permissions to create or modify milestones in the project.
  System Errors: There could be a temporary system error or inconsistency in the database that is preventing the milestone from being created.
  
  Solutions:
  
  Check Project Configuration: Review the project definition and ensure that all necessary settings for milestones are correctly configured.
  Verify Dates: Ensure that the dates for the milestone are set correctly and that they fall within the project timeline.
  Review Dependencies: Check if there are any dependencies that need to be fulfilled before the milestone can be created.
  Authorization Check: Ensure that the user has the appropriate authorizations to create milestones. This may involve checking user roles and permissions in the SAP system.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  Recreate the Milestone: If the milestone was previously created and is now missing, try to recreate it manually.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to milestone creation in your version of SAP.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) or CJ02 (Change Project) to manage project milestones.
  SAP Notes: Check SAP Notes for any known issues or patches related to milestone creation errors.
  User Forums: Engage with SAP community forums or user groups for insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with an SAP expert for further investigation.