How To Fix GW020 - No memory allocation exists

GW020 - Overview

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 020

• Message text: No memory allocation exists

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message GW020 - No memory allocation exists ?

  The SAP error message GW020 ("No memory allocation exists") typically indicates that the SAP Gateway is unable to allocate memory for processing requests. This can occur due to various reasons, including system resource limitations, configuration issues, or memory leaks.
  Causes:
  
  Insufficient Memory: The system may not have enough physical or virtual memory available to handle the requests.
  
  Configuration Issues: The SAP Gateway may not be configured correctly, leading to inefficient memory usage.
  Memory Leaks: Long-running processes or poorly designed applications can lead to memory leaks, consuming available memory over time.
  High Load: A sudden spike in user requests or background jobs can exhaust available memory.
  Operating System Limits: The underlying operating system may have limits on memory allocation that are being reached.
  
  Solutions:
  
  
  Check System Resources:
  
  Monitor the system's memory usage using tools like SAP transaction ST06 or OS-level monitoring tools.
  Ensure that there is sufficient physical and virtual memory available.
  
  
  
  Adjust SAP Gateway Parameters:
  
  Review and adjust the SAP Gateway parameters