How To Fix SRT_CORE266 - Blocked because of gaps

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_CORE - Nachrichtenklasse für SOAP Runtime

• Message number: 266

• Message text: Blocked because of gaps

What causes this issue?

Message can't be processed due to missing messages with lower message
numbers. This kind of blocking can happen when Web Service Reliable
Messaging (WS RM) or IDOC with EOIO is used.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

This should be a temporary situation. Once all messages with lower
numbers have been received and processed, it will be processed
automatically.
If this situation remains for a long time, you have to contact the
administrators of the consumer system to get more help.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_CORE266 - Blocked because of gaps ?

  The SAP error message SRT_CORE266: Blocked because of gaps typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there are issues with the message processing, particularly related to gaps in the message sequence.
  Cause:
  
  Message Gaps: This error indicates that there are gaps in the sequence of messages being processed. For example, if messages are expected in a certain order and one or more messages are missing, the system will block further processing to maintain data integrity.
  Message Acknowledgment Issues: If the sender does not acknowledge the receipt of messages properly, it can lead to gaps in the sequence.
  Network Issues: Temporary network issues or timeouts can cause messages to be lost or delayed, leading to gaps.
  Configuration Issues: Incorrect configuration in the integration scenario or in the message processing settings can also lead to this error.
  
  Solution:
  
  Check Message Sequence: Review the message logs to identify any missing messages. Ensure that all messages are being sent and received in the correct order.
  Reprocess Messages: If you identify any missing messages, you may need to resend them or reprocess them to fill the gaps.
  Adjust Timeout Settings: If network issues are causing delays, consider adjusting the timeout settings in the integration configuration.
  Review Acknowledgment Settings: Ensure that the acknowledgment settings are correctly configured so that the sender acknowledges the receipt of messages properly.
  Monitor Network Stability: Check for any network issues that may be causing message loss or delays and address them accordingly.
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may provide additional insights or patches related to this error.
  
  Related Information:
  
  SAP PI/PO Documentation: Review the official SAP documentation for Process Integration and Process Orchestration for best practices on message handling and error resolution.
  Transaction Codes: Use transaction codes like SXMB_MONI (for monitoring messages) or SRT_MONI (for monitoring web service messages) to analyze the message flow and identify issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.