How To Fix CN670 - First selected activity already reached

CN670 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 670

• Message text: First selected activity 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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CN670 - Details

• The SAP error message CN670 ("First selected activity already reached") typically occurs in the context of project management and network planning within SAP. This error indicates that the system has detected that the first selected activity in a network or project has already been reached or completed, which can prevent further processing or scheduling of subsequent activities.
  
  Cause:
  
  Activity Status: The first selected activity may already be marked as completed or in progress, which means that the system cannot allow further actions that assume it is not yet started.
  Network Logic: The network logic may not allow for the selected activity to be processed again if it has already been executed.
  Incorrect Selection: The user may have selected an activity that is not appropriate for the current operation, such as trying to reschedule or reprocess an activity that is already in a completed state.
  
  
  Solution:
  
  Check Activity Status: Verify the status of the first selected activity.