How To Fix CN217 - First selected alternative already reached

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 217

• Message text: First selected alternative already reached

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CN217 - First selected alternative already reached ?

  The SAP error message CN217 ("First selected alternative already reached") typically occurs in the context of project management or network planning within the SAP system, particularly when dealing with alternative sequences in project structures or networks.
  Cause:
  This error usually arises when you are trying to select an alternative that has already been reached or executed in a project or network. In project management, alternatives are often used to represent different paths or options for executing tasks. If the system detects that the first alternative has already been processed or completed, it will trigger this error to prevent further selection of the same alternative.
  Solution:
  To resolve the CN217 error, you can take the following steps:
  
  
  Check the Status of Alternatives: Review the status of the alternatives in your project or network. Ensure that you are not trying to select an alternative that has already been executed.
  
  
  Review Project Structure: Look at the project structure to confirm that the alternatives are set up correctly. Ensure that the alternatives are defined properly and that the system recognizes them as distinct options.
  
  
  Reset or Change Alternatives: If you need to change the alternative, you may need to reset the current selection or choose a different alternative that has not yet been reached.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing alternatives in your version of SAP. This can provide insights into best practices and troubleshooting steps.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide more detailed troubleshooting based on your specific configuration and usage.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes related to project management (e.g., CJ20N for Project Builder, CN41 for Network Overview).
  SAP Notes: Check for any SAP Notes related to error CN217, as there may be patches or updates that address this issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing additional insights or solutions.
  
  By following these steps, you should be able to diagnose and resolve the CN217 error effectively.