How To Fix /IWBEP/CM_V4_RUNTIME012 - Maximum number (&1) of sap-messages at response header exceeded

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 012

• Message text: Maximum number (&1) of sap-messages at response header exceeded

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_RUNTIME012 - Maximum number (&1) of sap-messages at response header exceeded ?

  The SAP error message /IWBEP/CM_V4_RUNTIME012 Maximum number (&1) of sap-messages at response header exceeded typically occurs in the context of SAP Gateway and OData services. This error indicates that the number of messages (such as warnings or errors) that can be included in the response header has exceeded the predefined limit.
  Cause:
  
  Excessive Messages: The error is triggered when the number of messages generated during the processing of an OData request exceeds the maximum limit set in the system configuration.
  Configuration Settings: The default limit for the number of messages in the response header may be set too low for the specific use case, especially if the application generates many messages (e.g., validation errors, warnings).
  Service Logic: The logic in the OData service might be generating too many messages due to data inconsistencies or validation issues.
  
  Solution:
  
  
  Increase the Message Limit:
  
  You can increase the maximum number of messages allowed in the response header by adjusting the configuration settings in the SAP Gateway.
  This can typically be done in the transaction code SICF (Service Hierarchy) or through the relevant configuration settings in the SAP Gateway.
  Look for the parameter max_messages or similar settings in the OData service configuration.
  
  
  
  Review and Optimize Service Logic:
  
  Analyze the OData service implementation to identify why so many messages are being generated.
  Optimize the logic to reduce the number of messages, if possible. For example, aggregate similar messages or handle validation in a way that minimizes the number of individual messages.
  
  
  
  Error Handling:
  
  Implement better error handling in the service to ensure that only relevant messages are returned, which can help in staying within the limit.
  
  
  
  Testing:
  
  After making changes, thoroughly test the OData service to ensure that it behaves as expected and that the number of messages does not exceed the new limit.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional guidance or updates related to this error message.
  Documentation: Review the SAP Gateway documentation for best practices on handling messages in OData services.
  Monitoring: Use transaction codes like SLG1 (Application Log) to monitor logs and identify the source of excessive messages.
  
  By addressing the root cause and adjusting the configuration, you should be able to resolve the error and improve the performance of your OData services.