How To Fix D4420 - Summary: SAP/OS400 roll management - active space

D4420 - Overview

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 420

• Message text: Summary: SAP/OS400 roll management - active space

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D4420 - Summary: SAP/OS400 roll management - active space ?

  The SAP error message D4420, which relates to SAP/OS400 roll management, indicates that the active space for roll areas is insufficient. This can occur in environments where SAP is running on IBM iSeries (formerly AS/400) systems. The roll area is a part of memory used to store data that cannot fit into the main memory, and when it runs out of space, it can lead to performance issues or system errors.
  
  Cause:
  
  Insufficient Roll Area Size: The roll area may not be configured with enough memory to handle the current workload.
  High User Load: An increase in the number of users or transactions can lead to higher memory consumption.
  Long-Running Transactions: Transactions that take a long time to complete can consume roll area space.
  Memory Leaks: Inefficient coding or poorly designed programs can lead to memory not being released properly.
  
  
  Solution:
  
  
  Increase Roll Area Size:
  
  You can increase the size of the roll area by adjusting the parameters