How To Fix RSDME330 - Internal error; sampling error during data access

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 330

• Message text: Internal error; sampling error during data access

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME330 - Internal error; sampling error during data access ?

  The SAP error message RSDME330, which indicates an "Internal error; sampling error during data access," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is an issue with data access or data sampling in queries or reports. This error can arise due to various reasons, including data inconsistencies, issues with the InfoProvider, or problems with the query design.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data stored in the InfoProvider, such as missing or corrupted records.
  Query Design Issues: The query might be poorly designed, leading to sampling errors when trying to access data.
  Performance Issues: If the system is under heavy load, it may lead to timeouts or sampling errors.
  Incorrect Aggregation: If the query involves complex aggregations or calculations, it may lead to errors if the underlying data is not structured correctly.
  System Bugs: There may be bugs in the SAP system or specific versions that lead to this error.
  
  Solutions:
  
  
  Check Data Consistency: 
  
  Use transaction codes like RSA1 to check the data in the InfoProvider for inconsistencies.
  Run data consistency checks and repair any issues found.
  
  
  
  Review Query Design:
  
  Analyze the query design in the BEx Query Designer. Simplify the query if possible, and ensure that all key figures and characteristics are correctly defined.
  Check for any filters or conditions that may be causing the issue.
  
  
  
  Performance Monitoring:
  
  Monitor system performance using transaction ST03N or ST22 to identify if the system is under heavy load.
  If performance is an issue, consider optimizing the query or increasing system resources.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as SAP frequently releases notes to fix known issues.
  
  
  
  Rebuild Indexes:
  
  If the error persists, consider rebuilding indexes on the InfoProvider to improve data access performance.
  
  
  
  Contact SAP Support:
  
  If none of the above solutions work, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: RSA1 (Data Warehousing Workbench), RSRT (Query Monitor), ST22 (Dump Analysis), ST03N (Workload Analysis).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP BW and HANA documentation for best practices in query design and data modeling.
  
  By following these steps, you should be able to diagnose and resolve the RSDME330 error effectively.