How To Fix KW859 - Internal error: Dimension of internal variable is too small

SAP Error Message - Details

• Message type: E = Error

• Message class: KW - CO-ABC Activity-Based Costing

• Message number: 859

• Message text: Internal error: Dimension of internal variable is too small

What causes this issue?

Internal error in function module K_MD_REPORT.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The global table field setting g_sel_list-string in K_MD_REPORT is
smaller than that in the KREP.... report structure. Please reset the
field with a larger size.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KW859 - Internal error: Dimension of internal variable is too small ?

  The SAP error message KW859, which states "Internal error: Dimension of internal variable is too small," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with the internal data structures or memory allocation during data processing or reporting.
  Cause:
  
  Data Volume: The error may arise when the volume of data being processed exceeds the predefined limits of internal variables or structures in SAP.
  Configuration Issues: Incorrect configuration settings in the data model, InfoProviders, or queries can lead to this error.
  Memory Limitations: Insufficient memory allocation for the SAP BW system can also trigger this error, especially when handling large datasets.
  BEx Query Design: Poorly designed BEx queries that require more memory than is available can lead to this error.
  
  Solution:
  
  Check Data Volume: Analyze the amount of data being processed. If it is excessively large, consider filtering the data or breaking it into smaller chunks.
  Optimize Queries: Review and optimize BEx queries to ensure they are efficient. This may involve reducing the number of key figures, dimensions, or using variables to limit the data being processed.
  Increase Memory Allocation: If the system is running out of memory, consider increasing the memory allocation for the SAP BW system. This can be done by adjusting the parameters in the instance profile.
  Update SAP System: Ensure that your SAP system is up to date with the latest support packages and patches, as these may contain fixes for known issues.
  Check Configuration: Review the configuration of InfoProviders, data sources, and transformations to ensure they are set up correctly and efficiently.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Search for specific SAP Notes related to KW859 for detailed guidance and potential fixes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Performance Tuning: Consider performance tuning for your BW system, which may involve adjusting settings related to data loading, query execution, and memory management.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further investigation and assistance.