How To Fix CNV_10020571 - Table &1 needs a lot of memory space for org. determination

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 571

• Message text: Table &1 needs a lot of memory space for org. determination

What causes this issue?

The system found that the paths stored for org. determination for the
table &V1& need a total of &V2& kByte of memory space. However only
&V3& kByte are available per task. The parameter
MEMORY_PER_TASK_BORDER_TO_YELLOW (transaction CNV_10020_PARAM) says
that the system must output a warning message when the storage
requirements reach &V4& kBytes.
If processing of the table is split up into a multitude of tasks and/or
if a multitude of tables that need a lot of memory space is processed
in parallel, the <zh>total</> amount of storage space required may be
so big that only a few jobs can be processed in parallel.

System Response

The program for processing the table &V1& will probably not terminate.
however it will take up a lot of memory space.

How to fix this error?

Make sure that no other jobs that require a lot of memory space run in
parallel while table &V1& is being processed.
If necessary, reduce the required amount of data for the determination
paths needed for processing table &V1&, and/or choose partial
determination or single determination for some of the paths.
&HINTS&
<zh>You can get a complete overview of the storage requirements of all
tables in transaction CNV_10020_MEMTMON. The documentation for this
transaction contains a detailed description of possible solutions for
this problem.</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020571 - Table &1 needs a lot of memory space for org. determination ?

  The SAP error message CNV_10020571 indicates that a specific table (denoted as &1) requires a significant amount of memory space for organizational determination during a data migration or conversion process. This error typically arises in the context of SAP data migration projects, especially when using tools like SAP S/4HANA Migration Cockpit or SAP Landscape Transformation (SLT).
  Cause:
  
  Large Data Volume: The table in question may contain a large volume of data, which requires substantial memory for processing.
  Complexity of Organizational Structure: If the organizational structure is complex, the determination process may require more memory to handle the relationships and hierarchies.
  Insufficient Memory Allocation: The system may not have enough memory allocated to handle the operations being performed on the table.
  Configuration Issues: There may be configuration settings that are not optimized for handling large datasets.
  
  Solution:
  
  
  Increase Memory Allocation:
  
  Check and increase the memory settings for the SAP application server. This can be done by adjusting the parameters in the instance profile (e.g., abap/heap_area_total, abap/heap_area_dia, etc.).
  Ensure that the server has sufficient physical memory available.
  
  
  
  Optimize Data Volume:
  
  If possible, reduce the volume of data being processed at one time. This can be done by filtering the data or processing it in smaller batches.
  Archive or delete unnecessary data from the table before running the migration.
  
  
  
  Review Organizational Structure:
  
  Simplify the organizational structure if feasible. This may involve consolidating entities or reducing the complexity of relationships.
  
  
  
  Check for Configuration Issues:
  
  Review the configuration settings related to the migration process. Ensure that they are optimized for the current data volume and structure.
  Consult SAP documentation or support for best practices regarding memory management during data migration.
  
  
  
  Monitor System Performance:
  
  Use transaction codes like ST02 (Tune Summary) and ST04 (Database Performance) to monitor memory usage and performance during the migration process.
  Identify any bottlenecks or areas where memory usage is particularly high.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on memory management during data migration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Documentation: Review the official SAP documentation for the migration tool you are using, as it may contain specific recommendations for handling large datasets.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.