How To Fix CN803 - Invalid relationship type (check entry)

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 803

• Message text: Invalid relationship type (check entry)

What causes this issue?

The key that you entered for the relationship does not exist.

System Response

INCLUDE ALLG_CN_VERARB_NICHT_FORTGEF

How to fix this error?

Check that you have entered the correct key for the relationship.
Change it if necessary.
INCLUDE 'NA_ALLG_VORGEHEN' OBJECT DOKU ID TX
Check whether the key for the relationship has been defined. If not,
define it.

<DS:SIMG.SIMG_CFMENUOLPROPS2>Check relationship</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN803 - Invalid relationship type (check entry) ?

  The SAP error message CN803 "Invalid relationship type (check entry)" typically occurs in the context of project management or network planning within SAP, particularly when dealing with relationships between activities or elements in a project.
  Cause:
  The error CN803 is usually caused by one of the following issues:
  
  
  Invalid Relationship Type: The relationship type you are trying to use is not valid for the specific context or configuration. This could be due to a typo or using a relationship type that is not defined in the system.
  
  
  Configuration Issues: The relationship types may not be properly configured in the system. This can happen if the necessary settings in the project management configuration are missing or incorrect.
  
  
  Data Entry Errors: There may be an error in the data entry, such as incorrect activity or project IDs, or the relationship type may not be applicable to the selected activities.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to create or modify relationships, leading to this error.
  
  
  Solution:
  To resolve the CN803 error, you can take the following steps:
  
  
  Check Relationship Type: Verify that the relationship type you are trying to use is valid. You can do this by checking the documentation or configuration settings in SAP.
  
  
  Review Configuration: Ensure that the relationship types are correctly configured in the system. You may need to consult with your SAP administrator or a consultant to check the configuration settings.
  
  
  Correct Data Entry: Double-check the entries you are making. Ensure that the activity IDs and relationship types are entered correctly and are applicable to the context.
  
  
  User Authorizations: Check if you have the necessary authorizations to create or modify relationships. If not, contact your system administrator to obtain the required permissions.
  
  
  Consult SAP Documentation: Refer to SAP Help documentation or community forums for additional insights and examples related to the CN803 error.
  
  
  Testing in a Sandbox: If possible, try to replicate the issue in a sandbox environment to better understand the cause without affecting production data.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) or CN22 (Change Network) where this error might occur.
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify and resolve the cause of the CN803 error in your SAP system.