How To Fix SOAP_SEQ_SCD_1003 - INSTANCING SEQUENCE ERROR

SAP Error Message - Details

• Message type: E = Error

• Message class: SOAP_SEQ_SCD_1 - Sequence scheduler messages Translate 1:1 !!!!!.

• Message number: 003

• Message text: INSTANCING SEQUENCE ERROR

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SOAP_SEQ_SCD_1003 - INSTANCING SEQUENCE ERROR ?

  The SAP error message SOAP_SEQ_SCD_1003 INSTANCING SEQUENCE ERROR typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there is an issue with the sequencing of messages in a SOAP-based web service communication. This error indicates that the sequence of messages being processed is not as expected, which can lead to inconsistencies or failures in message processing.
  Causes:
  
  Message Sequence Violation: The error often arises when messages are received out of order or when a message is expected to be processed in a specific sequence, but the actual sequence does not match.
  Concurrency Issues: If multiple instances of a process are running concurrently, they may interfere with each other, leading to sequence errors.
  Configuration Issues: Incorrect configuration of the SOAP adapter or the web service itself can lead to issues with message sequencing.
  Timeouts or Retries: If a message processing takes too long or if there are retries involved, it may lead to sequence errors.
  
  Solutions:
  
  Check Message Order: Ensure that messages are being sent and received in the correct order. If your application logic requires a specific sequence, implement checks to enforce this.
  Adjust Configuration: Review the configuration settings for the SOAP adapter in SAP PI/PO. Ensure that the settings for message sequencing are correctly configured.
  Implement Idempotency: If applicable, design your web service to be idempotent, meaning that repeated processing of the same message does not change the result beyond the initial application.
  Error Handling: Implement robust error handling and logging to capture the sequence of messages and identify where the sequence is breaking down.
  Review Concurrency Settings: If multiple instances of a process are running, consider adjusting the concurrency settings to prevent conflicts.
  Consult Documentation: Refer to SAP documentation or support notes related to the specific version of SAP PI/PO you are using for any known issues or patches.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Monitoring Tools: Use SAP monitoring tools to track message flows and identify where the sequence is being disrupted.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance, providing them with detailed logs and context around the error.