How To Fix APOC_OR_MESSAGES406 - Error(s) occurred when sending the outbound message via CA &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: APOC_OR_MESSAGES - Messages for Output Control

• Message number: 406

• Message text: Error(s) occurred when sending the outbound message via CA &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message APOC_OR_MESSAGES406 - Error(s) occurred when sending the outbound message via CA &1. ?

  The SAP error message APOC_OR_MESSAGES406 indicates that there were errors encountered when attempting to send an outbound message via the Communication Adapter (CA) in the Advanced Planning and Optimization (APO) module. This error typically arises in scenarios involving the integration of APO with other SAP systems or third-party applications.
  Causes:
  
  Configuration Issues: Incorrect configuration of the communication settings in APO or the connected system can lead to this error.
  Network Problems: Issues with network connectivity between the APO system and the target system can prevent messages from being sent.
  Message Format Errors: The message being sent may not conform to the expected format, leading to processing errors.
  Authorization Issues: The user or system may lack the necessary permissions to send messages.
  System Performance: High load on the system or performance issues can cause timeouts or failures in message processing.
  Data Issues: Invalid or incomplete data in the outbound message can trigger errors.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the communication adapter in APO. Ensure that all parameters are correctly set up.
  Network Connectivity: Verify that there are no network issues between the APO system and the target system. Check firewalls, VPNs, and other network components.
  Message Format Validation: Ensure that the message being sent adheres to the required format. You may need to validate the data being sent.
  Review Authorizations: Check the user roles and authorizations to ensure that the necessary permissions are granted for sending outbound messages.
  Monitor System Performance: Use transaction codes like ST22 (dump analysis) and SM21 (system log) to check for performance issues or errors in the system.
  Data Validation: Review the data being sent in the outbound message for completeness and correctness. Correct any identified issues.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like /SAPAPO/OM_ORDER to monitor outbound messages and their statuses.
  Logs and Traces: Check the application logs (SLG1) for more detailed error messages related to the outbound message processing.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  Documentation: Refer to the official SAP documentation for APO and the Communication Adapter for detailed configuration and troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to engage SAP support for further assistance.