How To Fix CN658 - First selected element already reached

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 658

• Message text: First selected element 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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Smart SAP Assistant

• What is the cause and solution for SAP error message CN658 - First selected element already reached ?

  The SAP error message CN658 ("First selected element already reached") typically occurs in the context of project management or network planning within SAP, particularly when working with the Project System (PS) module. This error indicates that the system has attempted to navigate to a project element (like a WBS element or network activity) that is already the current selection.
  Cause:
  The error usually arises in the following scenarios:
  
  Navigation Issue: The user is trying to navigate to a project element that is already selected or displayed in the current view.
  User Action: The user may have inadvertently attempted to select the same element multiple times.
  System Configuration: There may be issues with the configuration of the project structure or the way elements are linked.
  
  Solution:
  To resolve the CN658 error, you can try the following steps:
  
  
  Check Current Selection: Ensure that you are not trying to select an element that is already active or displayed. If it is, simply proceed with your work without re-selecting it.
  
  
  Refresh the View: Sometimes, refreshing the screen or view can help clear any temporary glitches. You can do this by navigating away from the current screen and returning or using the refresh button.
  
  
  Clear Selections: If you have multiple selections, try clearing them and then re-selecting the desired element.
  
  
  Review Navigation Path: Ensure that your navigation path is correct and that you are not trying to access an element in a way that the system does not support.
  
  
  Check for Updates: If the issue persists, check if there are any updates or patches available for your SAP system that might address this error.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more specific guidance related to your version of SAP and the context in which the error occurs.
  
  
  Contact Support: If none of the above solutions work, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message.
  User Forums: Engage with SAP community forums where other users may have encountered and resolved similar issues.
  Training: If you frequently encounter navigation issues, consider additional training on the Project System module to better understand how to manage project elements effectively.
  
  By following these steps, you should be able to address the CN658 error and continue working within your SAP environment.