How To Fix RSDRCRM_SEG253 - Segment &1: Number of items &2 is wrong. &3 was expected.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDRCRM_SEG - Messages in RSDRCRM_SEG Package

• Message number: 253

• Message text: Segment &1: Number of items &2 is wrong. &3 was expected.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDRCRM_SEG253 - Segment &1: Number of items &2 is wrong. &3 was expected. ?

  The SAP error message RSDRCRM_SEG253 typically occurs in the context of SAP BW (Business Warehouse) when there is a mismatch in the number of items in a segment during data processing or extraction. This error indicates that the system expected a certain number of items (denoted by &3) but received a different number (denoted by &2) for a specific segment (denoted by &1).
  Cause:
  
  
  Data Mismatch: The primary cause of this error is a mismatch between the expected and actual number of items in a data segment. This can happen due to:
  
  Incorrect data extraction logic.
  Data corruption or inconsistency in the source system.
  Changes in the data structure that have not been reflected in the BW model.
  Issues with the data source or transformation rules.
  
  
  
  Configuration Issues: There may be configuration issues in the InfoObjects or InfoProviders that lead to discrepancies in the expected data structure.
  
  
  Data Load Issues: Problems during the data load process, such as incomplete data loads or failed data transfer processes, can also lead to this error.
  
  
  Solution:
  
  
  Check Data Source: Verify the data source from which the data is being extracted. Ensure that the data structure matches the expected format in the BW system.
  
  
  Review Transformation Rules: Check the transformation rules and ensure that they are correctly defined. Make sure that the mapping between the source and target fields is accurate.
  
  
  Data Consistency: Ensure that the data in the source system is consistent and complete. If there are any discrepancies, correct them in the source system.
  
  
  Reprocess Data: If the error occurred during a data load, consider reprocessing the data. You may need to delete the erroneous data from the InfoProvider and reload it.
  
  
  Check for Changes: If there have been recent changes to the data model (e.g., changes in InfoObjects, InfoProviders, or data sources), ensure that all related objects are updated accordingly.
  
  
  Debugging: If the issue persists, you may need to debug the data flow to identify where the mismatch is occurring. Use transaction codes like RSA1 (Data Warehousing Workbench) to analyze the data flow.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to this error message for additional insights and troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench), RSMO (Monitor Data Load), and RSPC (Process Chain) to monitor and manage data loads.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with SAP community forums or support channels for additional help and shared experiences from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.