How To Fix CN653 - List shows no relationships

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 653

• Message text: List shows no relationships

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CN653 - List shows no relationships ?

  The SAP error message CN653 ("List shows no relationships") typically occurs in the context of project management or network planning within the SAP system, particularly when using transaction codes related to project structures, such as CN41 (Project Structure Overview) or CN43 (Network Overview).
  Cause:
  The error message CN653 indicates that the system could not find any relationships (dependencies or links) between the objects you are trying to analyze or display. This can happen for several reasons:
  
  No Relationships Defined: There may be no relationships defined between the selected project elements, such as tasks, activities, or networks.
  Incorrect Selection Criteria: The selection criteria used to generate the list may not match any existing relationships.
  Data Issues: There may be issues with the underlying data, such as missing or incomplete entries in the database.
  Authorization Issues: The user may not have the necessary authorizations to view the relationships.
  
  Solution:
  To resolve the CN653 error, you can take the following steps:
  
  Check Relationships: Verify that the project elements you are analyzing actually have defined relationships. You can do this by checking the project or network structure in detail.
  Adjust Selection Criteria: Review and adjust the selection criteria you are using to ensure they are correct and relevant to the data you want to see.
  Data Integrity Check: Perform a data integrity check to ensure that all necessary data is present and correctly linked. This may involve checking for missing entries or inconsistencies in the project or network data.
  User Authorizations: Ensure that you have the necessary authorizations to view the relationships. If not, contact your SAP administrator to request the appropriate access.
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on the specific transaction you are using.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN41, CN43, and others related to project management and network planning.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  
  If the problem persists after trying these solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.