How To Fix 00421 - Roll-free error

00421 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 421

• Message text: Roll-free error

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 00421 - Roll-free error ?

  The SAP error message "00421 Roll-free error" typically indicates that there is an issue with the roll area in the SAP system. This error occurs when the system is unable to allocate memory for the roll area, which is used to store data for user sessions. Here are the causes, solutions, and related information for this error:
  Causes:
  
  Insufficient Memory: The roll area may not have enough memory allocated to handle the current workload or user sessions.
  
  Configuration Issues: Incorrect configuration settings in the SAP system related to memory management can lead to roll-free errors.
  High User Load: A sudden increase in the number of concurrent users or processes can exhaust the available roll area.
  System Resource Limits: Operating system-level limits on memory usage may restrict the SAP system's ability to allocate the necessary resources.
  
  Solutions:
  
  
  Increase Roll Area Size:
  
  Adjust the parameters for the roll area in the SAP profile. The parameters to look for include rdisp/roll_area