How To Fix CN824 - Relationship from & & to & & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 824

• Message text: Relationship from & & to & & already exists

What causes this issue?

You have entered a relationship to a network or standard network that
already exists.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Check what you have entered for relationship data and make any changes
necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN824 - Relationship from & & to & & already exists ?

  The SAP error message CN824 ("Relationship from & & to & & already exists") typically occurs in the context of project management or network planning within SAP, particularly when dealing with relationships between activities or elements in a project.
  Cause:
  This error indicates that you are trying to create a relationship (dependency) between two elements (such as tasks or activities) that already have an existing relationship defined in the system. The error message specifies the two elements involved, denoted by the placeholders (& &).
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Relationships:
  
  Navigate to the project or network where the error occurred.
  Review the existing relationships between the specified elements to confirm that the relationship already exists.
  
  
  
  Modify Existing Relationship:
  
  If the relationship is already defined but needs to be changed (e.g., changing the type of relationship or the direction), you can modify the existing relationship instead of trying to create a new one.
  
  
  
  Delete Redundant Relationships:
  
  If you find that there are duplicate relationships that are not needed, you can delete the redundant ones to avoid conflicts.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like CJ20N (Project Builder) or CN22 (Change Network) to view and manage relationships in your project or network.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on managing relationships in your specific version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for project management, such as CJ20N, CJ02, CN22, etc.
  Relationship Types: Understand the different types of relationships (Finish-to-Start, Start-to-Start, etc.) and how they can be applied in your project.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Permissions: Ensure that you have the necessary permissions to modify relationships in the project.
  
  By following these steps, you should be able to resolve the CN824 error and manage your project relationships effectively.