How To Fix GW738 - Error occurred while adding a request to the dispatcher queue

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 738

• Message text: Error occurred while adding a request to the dispatcher queue

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 GW738 - Error occurred while adding a request to the dispatcher queue ?

  The SAP error message GW738, which states "Error occurred while adding a request to the dispatcher queue," typically indicates an issue with the SAP Gateway or the communication between the SAP system and the backend. This error can arise due to various reasons, including configuration issues, system overload, or network problems.
  Causes:
  
  System Overload: The SAP system may be experiencing high load, causing it to be unable to process additional requests.
  Configuration Issues: Incorrect configuration of the SAP Gateway or the backend system can lead to communication failures.
  Network Issues: Problems with the network connection between the SAP Gateway and the backend system can prevent requests from being processed.
  Authorization Issues: The user may not have the necessary authorizations to perform the requested action.
  Resource Limitations: Insufficient resources (like memory or CPU) on the server can lead to this error.
  Queue Management: Issues with the dispatcher queue itself, such as being full or misconfigured.
  
  Solutions:
  
  Check System Load: Monitor the system performance and check if the server is under heavy load. If so, consider optimizing performance or scaling resources.
  Review Configuration: Ensure that the SAP Gateway and backend system are correctly configured. Check the RFC connections and ensure they are active and properly set up.
  Network Diagnostics: Perform network diagnostics to ensure that there are no connectivity issues between the SAP Gateway and the backend system.
  User Authorizations: Verify that the user has the necessary authorizations to execute the request. Check roles and permissions in the user profile.
  Resource Allocation: Check the server's resource allocation (CPU, memory) and consider increasing them if they are insufficient.
  Queue Management: Investigate the dispatcher queue for any issues. You can use transaction codes like SMQ1 (for outbound queues) and SMQ2 (for inbound queues) to monitor and manage queues.
  Restart Services: If the issue persists, consider restarting the SAP Gateway or the relevant services to clear any temporary issues.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM21 (System Log), ST22 (Dump Analysis), and SM37 (Job Monitoring) to gather more information about the error.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs: Review the application logs and system logs for any additional error messages or warnings that could provide more context about the issue.
  
  If the problem continues after trying the above solutions, it may be necessary to engage SAP support for further assistance.