How To Fix CN418 - Standard milestone & deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 418

• Message text: Standard milestone & deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CN418 - Standard milestone & deleted ?

  The SAP error message CN418 ("Standard milestone & deleted") typically occurs in the context of project management and is related to the use of milestones in project planning. This error indicates that a standard milestone that is being referenced has been deleted from the system, which can disrupt project scheduling and planning processes.
  Cause:
  
  Deleted Milestone: The primary cause of this error is that a milestone that was previously defined in the project has been deleted. This could happen due to changes in project requirements, restructuring, or data cleanup activities.
  Data Inconsistency: There may be inconsistencies in the project data where references to deleted milestones still exist.
  Configuration Issues: If the project is configured to use standard milestones, and those milestones are removed from the system, it can lead to this error.
  
  Solution:
  
  Check Milestone Configuration: Verify if the milestone that is causing the error has indeed been deleted. You can do this by navigating to the milestone configuration in the project management module.
  Restore Deleted Milestone: If the milestone is essential for the project, consider restoring it if possible. This may involve re-creating the milestone with the same attributes.
  Update Project Plan: If the milestone is no longer needed, update the project plan to remove references to the deleted milestone. This may involve adjusting the project schedule or reassigning tasks.
  Data Consistency Check: Run a consistency check on the project data to identify any other potential issues that may arise from deleted milestones or other inconsistencies.
  Consult Documentation: Review SAP documentation or help resources for specific instructions related to milestone management and error resolution.
  
  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 management that may address this error.
  User Roles and Permissions: Ensure that the user has the appropriate permissions to modify project milestones and that any changes are properly documented.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in SAP project management.