How To Fix GW745 - Error in internal buffer administration; see dev_rd

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 745

• Message text: Error in internal buffer administration; see dev_rd

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GW745 - Error in internal buffer administration; see dev_rd ?

  The SAP error message GW745, which indicates "Error in internal buffer administration; see dev_rd," typically relates to issues with the Gateway or the internal buffer management in the SAP system. This error can occur due to various reasons, including memory issues, configuration problems, or inconsistencies in the internal buffer.
  Causes:
  
  Memory Issues: Insufficient memory allocation for the SAP Gateway can lead to buffer management errors.
  Configuration Problems: Incorrect settings in the SAP Gateway configuration can cause internal buffer errors.
  Data Inconsistencies: Corrupted or inconsistent data in the internal buffer may trigger this error.
  System Load: High system load or resource contention can lead to buffer management issues.
  Software Bugs: There may be bugs in the SAP version you are using that affect buffer management.
  
  Solutions:
  
  Check the dev_rd Log: The first step is to check the dev_rd log file for more detailed error messages. This log can provide insights into what specifically caused the error.
  Increase Memory Allocation: If memory issues are suspected, consider increasing the memory allocation for the SAP Gateway. This can be done in the instance profile.
  Review Configuration: Verify the configuration settings for the SAP Gateway. Ensure that all parameters are set correctly according to SAP best practices.
  Clear Buffers: Sometimes, clearing the internal buffers can resolve the issue. This can be done using transaction codes like SM12 (to delete lock entries) or SM21 (to check system logs).
  Restart the Gateway: Restarting the SAP Gateway can sometimes resolve temporary issues related to buffer management.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known bugs.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (to check job logs), SM21 (to view system logs), and ST22 (to analyze dumps) for further investigation.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By following these steps, you should be able to diagnose and resolve the GW745 error in your SAP system.