How To Fix WA681 - & &: Error determining interface

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 681

• Message text: & &: Error determining interface

What causes this issue?

A non-specific error occurred determining the interface of the
specified function module.

System Response

The action was aborted.

How to fix this error?

Check the definition of the specified function module.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA681 - & &: Error determining interface ?

  Certainly! Here's a detailed explanation regarding the SAP error message WA681 & &: Error determining interface:
  
  SAP Error Message: WA681 & &: Error determining interface
  
  Cause:
  This error typically occurs during the processing of IDocs (Intermediate Documents) in SAP, specifically when the system tries to determine the correct interface (i.e., the correct IDoc type or message type) for an incoming or outgoing IDoc but fails to do so.
  Common causes include:
  
  Incorrect or missing partner profile configuration: The partner profile (transaction WE20) may not be properly set up for the partner or message type involved.
  Missing or incorrect message type or IDoc type assignment: The system cannot find the correct mapping between the message type and the IDoc type.
  Inconsistent or missing entries in the distribution model (transaction BD64): The distribution model may not include the necessary message type or partner information.
  Corrupted or incomplete IDoc data: The IDoc segments or control record may be incomplete or corrupted, causing the interface determination to fail.
  Custom or user-exit logic issues: If there are custom enhancements or user-exits involved in IDoc processing, they might cause the interface determination to fail.
  
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Check Partner Profile (WE20):
  
  Verify that the partner profile for the sender/receiver is correctly maintained.
  Ensure the message type and the corresponding IDoc type are correctly assigned.
  Check that the partner type (KU, LI, etc.) is correct.
  
  
  
  Verify Distribution Model (BD64):
  
  Confirm that the message type is included in the distribution model.
  Ensure the partner and message type are correctly assigned and activated.
  
  
  
  Check Message Type and IDoc Type Mapping:
  
  Use transaction WE82 to verify the message type to IDoc type assignment.
  Ensure the message type in the IDoc control record matches the expected message type.
  
  
  
  Inspect the IDoc Data:
  
  Use transaction WE02 or WE05 to display the IDoc.
  Check for missing or inconsistent data in the control record or segments.
  If the IDoc is corrupted, consider reprocessing or regenerating it.
  
  
  
  Review Custom Enhancements:
  
  If user-exits or BAdIs are implemented for IDoc processing, debug or review the code to ensure it does not interfere with interface determination.
  
  
  
  Reprocess the IDoc:
  
  After corrections, reprocess the IDoc using transaction BD87 or manually trigger processing.
  
  
  
  
  Related Information:
  
  
  Transactions:
  
  WE20 — Partner Profiles
  BD64 — Distribution Model
  WE82 — Message Type to IDoc Type Assignment
  WE02 / WE05 — IDoc Display
  BD87 — IDoc Reprocessing
  
  
  
  SAP Notes:
  
  Check SAP OSS notes related to IDoc interface errors for your specific SAP version.
  
  
  
  Documentation:
  
  SAP Help Portal on IDoc processing and partner profile configuration.
  SAP Community forums for similar issues and solutions.
  
  
  
  
  If you provide the exact context (e.g., inbound or outbound IDoc, message type, partner involved), I can help you with more specific troubleshooting steps.