How To Fix OL647 - Object type & cannot be appended to itself

SAP Error Message - Details

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 647

• Message text: Object type & cannot be appended to itself

Self-Explanatory Message

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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 OL647 - Object type & cannot be appended to itself ?

  The SAP error message OL647 ("Object type & cannot be appended to itself") typically occurs when there is an attempt to create a recursive relationship in the object types within the SAP system. This means that an object type is being defined in such a way that it tries to reference itself, which is not allowed.
  Cause:
  
  Recursive Definition: The most common cause of this error is that during the configuration of object types (for example, in the context of object-oriented programming or data modeling), an object type is mistakenly set to include itself as a part of its own definition.
  Incorrect Configuration: This can happen due to incorrect settings in the customizing or configuration of the object types in the SAP system.
  
  Solution:
  
  Review Object Type Definitions: Check the definitions of the object types involved. Ensure that no object type is referencing itself directly or indirectly.
  Modify Relationships: If you find that an object type is incorrectly set to append itself, modify the relationship to point to a different object type or remove the self-reference.
  Consult Documentation: Refer to the SAP documentation or help resources for guidance on how to properly define object types and their relationships.
  Testing: After making changes, test the configuration to ensure that the error does not occur again.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to access the configuration settings for object types (e.g., SE11 for Data Dictionary, SE80 for Object Navigator).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional insights or solutions.
  Community Forums: Consider searching or posting in SAP community forums or discussion boards for additional help from other SAP users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.