How To Fix ON211 - Internal error: Undefined relationship type(s)

SAP Error Message - Details

• Message type: E = Error

• Message class: ON - Tools in area Object Modeler / Object Editor

• Message number: 211

• Message text: Internal error: Undefined relationship type(s)

What causes this issue?

Internal error: Relationships were found in the database whose type
does not agree with the relationship types defined in the program.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ON211 - Internal error: Undefined relationship type(s) ?

  The SAP error message ON211 "Internal error: Undefined relationship type(s)" typically occurs in the context of SAP's Object Management System (OMS) or when dealing with object relationships in various modules, such as SAP PM (Plant Maintenance) or SAP PS (Project System). This error indicates that the system has encountered a relationship type that is not defined or recognized in the current context.
  Causes:
  
  Missing Configuration: The relationship type that the system is trying to use may not be defined in the configuration settings.
  Data Inconsistency: There may be inconsistencies in the data, such as missing or incorrect entries in the relevant tables.
  Custom Development: If there are custom developments or enhancements, they may not be handling relationship types correctly.
  Transport Issues: If the system has recently undergone a transport of changes, some relationship types may not have been transported correctly.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in SAP (e.g., SPRO) and verify that the relationship types are defined correctly.
  Ensure that all necessary relationship types are set up in the system.
  
  
  
  Review Data:
  
  Check the data entries related to the objects you are working with. Ensure that all required fields are filled and that there are no inconsistencies.
  Use transaction codes like SE11 or SE16 to inspect the relevant database tables for any missing or incorrect entries.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program or function module that is generating the error to identify where the undefined relationship type is being referenced.
  
  
  
  Check Custom Code:
  
  If there are any custom developments, review the code to ensure that it correctly handles relationship types and does not reference any undefined types.
  
  
  
  Transport Management:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly. You may need to re-transport certain objects.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), and SPRO (Customizing) to help diagnose and resolve the issue.
  Documentation: Review SAP documentation related to object relationships and configuration settings for the specific module you are working with.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the ON211 error in your SAP system.