How To Fix CN656 - Last selected relationship already reached

CN656 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 656

• Message text: Last selected relationship 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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CN656 - Details

• The SAP error message CN656: Last selected relationship already reached typically occurs in the context of project management or network planning within the SAP system, particularly when working with the Project System (PS) module. This error indicates that the user is trying to navigate through relationships in a network or project structure, but has reached the end of the available relationships.
  
  Cause:
  
  Navigational Limitations: The error arises when the user attempts to navigate to a predecessor or successor that does not exist or has already been reached.
  Incorrect Relationship Setup: The relationships between activities or tasks may not be set up correctly, leading to a situation where there are no further relationships to traverse.
  Data Integrity Issues: There may be issues with the integrity of the data in the project structure, such as missing or incorrectly defined relationships.
  
  
  Solution:
  
  
  Check Relationships: Review the relationships defined in the project or network. Ensure that all necessary predecessors and