How To Fix WES_OUTBOUND012 - Error occurred on sending of a message

SAP Error Message - Details

• Message type: E = Error

• Message class: WES_OUTBOUND - Messages for Outbound Services

• Message number: 012

• Message text: Error occurred on sending of a message

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WES_OUTBOUND012 - Error occurred on sending of a message ?

  SAP Error Message:
  WES_OUTBOUND012: Error occurred on sending of a message
  
  
  Cause:
  This error typically occurs in the context of SAP's Workflow Event Sender (WES) or related outbound message processing scenarios. The message indicates that an outbound message (such as a workflow event, IDoc, or ALE message) could not be sent successfully from the SAP system to the target system or middleware.
  Common causes include:
  
  Communication issues: Network problems, incorrect RFC destination, or middleware connectivity issues.
  Configuration errors: Incorrect or incomplete configuration of the outbound communication channel, such as wrong partner profiles, ports, or logical systems.
  Authorization problems: The user or system sending the message lacks the necessary authorizations.
  Technical errors: Runtime errors in the sending program or function module, such as missing data, serialization errors, or system dumps.
  Queue or buffer issues: Outbound queues (e.g., tRFC or qRFC) are stuck or have errors.
  Middleware or receiver system issues: The target system is down, unreachable, or rejecting the message.
  
  
  
  Solution:
  To resolve