How To Fix SY004 - Roll storage of length & not available

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 004

• Message text: Roll storage of length & not available

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 SY004 - Roll storage of length & not available ?

  The SAP error message "SY004 Roll storage of length & not available" typically indicates that the system is unable to allocate the required roll area (memory) for the user session. This can happen for several reasons, including insufficient memory allocation for the SAP instance or configuration issues.
  Causes:
  
  Insufficient Roll Memory: The roll memory allocated to the SAP instance is not sufficient to handle the current workload or user sessions.
  Configuration Issues: The parameters for roll memory in the SAP profile may not be set correctly.
  High User Load: A sudden increase in the number of users or processes can lead to exhaustion of available roll memory.
  Memory Leaks: There may be memory leaks in the application or in custom code that is consuming more memory than expected.
  
  Solutions:
  
  
  Increase Roll Memory:
  
  You can increase the roll memory by adjusting the profile parameters in the instance profile. Look for the parameters rdisp/roll_area and rdisp/roll_max_sess and increase their values.
  After making changes, restart the SAP instance for the changes to take effect.
  
  
  
  Monitor Memory Usage:
  
  Use transaction codes like SM04 (User Overview) and SM50 (Process Overview) to monitor the current memory usage and user sessions.
  Check for any long-running processes that may be consuming excessive memory.
  
  
  
  Check Configuration:
  
  Review the instance profile settings to ensure that they are configured according to the recommended values for your system's hardware and expected load.
  
  
  
  Optimize Code:
  
  If you suspect that custom code is causing memory issues, review and optimize the code to ensure it is not consuming excessive memory.
  
  
  
  System Restart:
  
  In some cases, a system restart may help clear up memory issues temporarily, but it is not a long-term solution.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  SAP Memory Management: Understanding how SAP manages memory can help in configuring the system appropriately. Familiarize yourself with the concepts of roll memory, heap memory, and extended memory.
  SAP Basis Administration: Knowledge of SAP Basis administration is crucial for managing system performance and memory allocation.
  Performance Monitoring Tools: Utilize tools like SAP Solution Manager or other monitoring tools to keep track of system performance and memory usage over time.
  
  If the problem persists after trying the above solutions, it may be necessary to engage with SAP support for further assistance.