How To Fix EA166 - '&' IDoc(s) set to status '31' and removed from outbound queue

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 166

• Message text: '&' IDoc(s) set to status '31' and removed from outbound queue

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EA166 - '&' IDoc(s) set to status '31' and removed from outbound queue ?

  The SAP error message EA166 indicates that one or more IDocs (Intermediate Documents) have been set to status '31' and removed from the outbound queue. This status typically signifies that the IDocs have encountered an error during processing, which prevents them from being successfully sent to the target system.
  Cause:
  The IDoc status '31' usually indicates that there was an error in the processing of the IDoc. Common causes for this error include:
  
  Configuration Issues: Incorrect settings in the IDoc processing configuration, such as partner profiles or message types.
  Data Issues: Invalid or incomplete data in the IDoc segments that do not meet the required format or constraints.
  Communication Problems: Issues with the connection to the target system, such as network problems or incorrect endpoint configurations.
  Application Errors: Errors in the application logic that processes the IDoc, which may lead to failures in processing.
  
  Solution:
  To resolve the issue, you can follow these steps:
  
  
  Check IDoc Status: Use transaction code WE02 or WE05 to view the details of the IDoc with status '31'. Look for error messages or logs that provide more context about the failure.
  
  
  Analyze Error Messages: Review the error messages associated with the IDoc. These messages can provide specific information about what went wrong.
  
  
  Validate Data: Ensure that the data in the IDoc is complete and valid. Check for any missing mandatory fields or incorrect data formats.
  
  
  Review Configuration: Verify the configuration settings for the IDoc processing, including partner profiles (transaction WE20) and message types. Ensure that they are correctly set up for the intended communication.
  
  
  Check Communication: If the IDoc is supposed to be sent to an external system, check the communication settings, such as RFC destinations (transaction SM59) and ensure that the target system is reachable.
  
  
  Reprocess IDoc: Once the issues are identified and resolved, you can reprocess the IDoc. This can be done using transaction code BD87, where you can select the IDoc and attempt to reprocess it.
  
  
  Monitor Logs: After reprocessing, monitor the logs to ensure that the IDoc is successfully processed and sent to the target system.
  
  
  Related Information:
  
  IDoc Status Codes: Familiarize yourself with the various IDoc status codes to understand the lifecycle of IDocs and the meaning of different statuses.
  Transaction Codes:
  
  WE02/WE05: Display IDocs
  WE20: Partner Profiles
  SM59: RFC Destinations
  BD87: Reprocess IDocs
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to IDoc processing or known bugs.
  
  By following these steps, you should be able to identify the root cause of the error and take appropriate actions to resolve it.