How To Fix -5304 - Serialization for sender & is not active

SAP Error Message - Details

• Message type: E = Error

• Message class: -5 -

• Message number: 304

• Message text: Serialization for sender & is not active

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message -5304 - Serialization for sender & is not active ?

  The SAP error message -5304: Serialization for sender & is not active typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO). This error indicates that the system is trying to process messages from a sender that is not currently active or properly configured for serialization.
  Cause:
  
  Inactive Sender: The sender system or the communication channel may not be active. This can happen if the sender system is down or if the communication channel is not configured correctly.
  Configuration Issues: There may be issues with the configuration of the sender agreement or the communication channel.
  Serialization Settings: The serialization settings for the sender might not be properly defined, leading to the system being unable to process messages in the expected order.
  Transport Layer Issues: Problems in the transport layer, such as network issues or incorrect routing, can also lead to this error.
  
  Solution:
  
  Check Sender System: Ensure that the sender system is up and running. If it is down, bring it back online.
  Verify Communication Channel: Go to the Integration Directory and check the status of the communication channel associated with the sender. Make sure it is active and properly configured.
  Review Sender Agreement: Check the sender agreement settings in the Integration Directory. Ensure that the sender is correctly defined and that the serialization settings are appropriate.
  Check Serialization Settings: If serialization is required, ensure that the serialization settings are correctly configured for the sender. This may involve checking the message type and ensuring that the correct serialization key is being used.
  Monitor Logs: Review the logs in the SAP PI/PO system for any additional error messages or warnings that could provide more context about the issue.
  Restart Services: If necessary, restart the relevant services or components in the SAP PI/PO system to refresh the configuration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for Process Integration/Orchestration for detailed information on configuration and troubleshooting.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the error message -5304 in your SAP environment.