How To Fix /SAPAPO/ND402 - Error during reservation of memory space

/SAPAPO/ND402 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ND -

• Message number: 402

• Message text: Error during reservation of memory space

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 /SAPAPO/ND402 - Error during reservation of memory space ?

  The SAP error message /SAPAPO/ND402 Error during reservation of memory space typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system is unable to allocate the necessary memory for processing a request. This can happen due to various reasons, including insufficient memory allocation settings, system resource limitations, or configuration issues.
  Causes:
  
  Insufficient Memory Allocation: The SAP system may not have enough memory allocated to handle the current workload.
  System Resource Limitations: The underlying operating system or hardware may have limitations on memory usage.
  
  Configuration Issues: Incorrect settings in the SAP system configuration can lead to memory allocation problems.
  High Load: A sudden spike in demand or a large volume of data being processed can exhaust available memory.
  Memory Leaks: Inefficient coding or processes that do not release memory can lead to exhaustion over time.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Check and increase the memory settings in the SAP profile parameters (e.g., abap/heap_area_total, abap/heap_area_dia, abap/heap_area_nondia).
  Adjust the