How To Fix CN826 - Relationship does not exist in document table

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 826

• Message text: Relationship does not exist in document table

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 CN826 - Relationship does not exist in document table ?

  The SAP error message CN826 ("Relationship does not exist in document table") typically occurs in the context of project management or controlling modules, particularly when dealing with network activities, relationships, or document assignments in SAP.
  Cause:
  The error message CN826 usually indicates that there is an attempt to access or manipulate a relationship that is not defined in the document table. This can happen due to several reasons:
  
  Missing Relationship Definition: The specific relationship you are trying to use has not been defined in the system.
  Incorrect Configuration: The configuration settings for the project or network may not be set up correctly, leading to missing relationships.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the relevant tables.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or manipulate certain relationships.
  
  Solution:
  To resolve the CN826 error, you can take the following steps:
  
  
  Check Relationship Definitions:
  
  Go to the relevant transaction (e.g., CJ20N for project management) and check if the relationship you are trying to use is defined.
  Ensure that the relationship type is correctly set up in the system.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings for the project or network. Ensure that all necessary relationships are defined in the system.
  You may need to consult with your SAP configuration team to verify that the settings are correct.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the project or network to identify any missing or inconsistent data.
  Use transaction codes like CJEN (for project structure) or CN22 (for network) to check for inconsistencies.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access and manipulate the relationships in question.
  If needed, consult with your SAP security team to verify and adjust user roles and permissions.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for more detailed information on the specific relationship types and their configurations.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CN22 (Change Network), and CJEN (Project Structure).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on project management and controlling modules.
  
  If the issue persists after following these steps, it may be beneficial to involve your SAP support team or consult with an SAP expert for further assistance.