How To Fix RSDRCRM_SEG440 - Selectivity segment &1: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDRCRM_SEG - Messages in RSDRCRM_SEG Package

• Message number: 440

• Message text: Selectivity segment &1: &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDRCRM_SEG440 - Selectivity segment &1: &2 ?

  The SAP error message RSDRCRM_SEG440, which states "Selectivity segment &1: &2," typically occurs in the context of SAP BW (Business Warehouse) or SAP CRM (Customer Relationship Management) when there is an issue related to the selectivity of a segment in a query or data extraction process.
  Cause:
  
  Selectivity Issues: The error usually indicates that the selectivity of a segment is too low, meaning that the system is unable to efficiently filter the data based on the criteria provided. This can happen if the segment is not well-defined or if the data volume is too high for the current selection criteria.
  Data Model Problems: There may be issues with the underlying data model, such as missing or incorrect data in the InfoObjects or InfoProviders.
  Query Design: The design of the query may not be optimal, leading to performance issues and low selectivity.
  Database Performance: The database may be experiencing performance issues, which can affect the execution of queries and data retrieval.
  
  Solution:
  
  Review Query Design: Check the query design in the Query Designer. Ensure that the segments are well-defined and that the filters applied are appropriate for the data being queried.
  Optimize Selectivity: Increase the selectivity of the segments by adding more specific filters or conditions. This can help the system to narrow down the data set more effectively.
  Check Data Model: Verify the underlying data model for any inconsistencies or missing data. Ensure that the InfoObjects and InfoProviders are correctly set up and populated with the necessary data.
  Analyze Performance: Use transaction codes like ST22 (Dump Analysis) or SM21 (System Log) to check for any performance issues or errors in the system that may be affecting query execution.
  Database Optimization: If the database is slow, consider performing database maintenance tasks such as updating statistics, rebuilding indexes, or optimizing queries.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSRT (Query Monitor), and RSOS (OLAP Statistics).
  SAP Documentation: Refer to SAP Help documentation for detailed information on query design, performance optimization, and data modeling best practices.
  Community Forums: Engage with SAP community forums or user groups for insights and solutions shared by other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the RSDRCRM_SEG440 error effectively.