How To Fix /BOBF/ATF174 - Cannot have more than one default Attch. type for a link

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/ATF -

• Message number: 174

• Message text: Cannot have more than one default Attch. type for a link

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/ATF174 - Cannot have more than one default Attch. type for a link ?

  The SAP error message /BOBF/ATF174 Cannot have more than one default Attach. type for a link typically occurs in the context of the Business Object Processing Framework (BOPF) when you are trying to define multiple default attachment types for a single link in your BOPF model. This situation arises when the system detects that there are conflicting definitions for the default attachment type associated with a particular link.
  Cause:
  
  Multiple Default Attachments: The primary cause of this error is that there are multiple attachment types defined as default for the same link in the BOPF model. Each link can only have one default attachment type.
  Configuration Error: This can happen due to incorrect configuration or design in the BOPF model where the same link is mistakenly assigned more than one default attachment type.
  
  Solution:
  To resolve this error, you need to ensure that each link in your BOPF model has only one default attachment type. Here are the steps to do that:
  
  
  Check BOPF Configuration:
  
  Go to the BOPF configuration in the SAP system (transaction code BOPF or through the relevant development environment).
  Locate the business object and the specific link that is causing the issue.
  
  
  
  Review Attachment Types:
  
  Check the attachment types defined for the link in question.
  Identify if there are multiple attachment types marked as default.
  
  
  
  Modify the Configuration:
  
  If you find multiple default attachment types, decide which one should be the default.
  Remove the default designation from the other attachment types.
  
  
  
  Save and Activate:
  
  After making the necessary changes, save and activate the BOPF model.
  Test the changes to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  BOPF Documentation: Refer to the official SAP documentation on BOPF for detailed information on how to configure business objects and manage links and attachments.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues or provide additional guidance related to BOPF and attachment types.
  Debugging: If the issue persists, consider using debugging tools to trace the execution and identify where the conflicting definitions are being set.
  
  By following these steps, you should be able to resolve the error and ensure that your BOPF model is correctly configured.