How To Fix RSAU898 - Start routine of target &3: Number of data records changed from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 898

• Message text: Start routine of target &3: Number of data records changed from &1 to &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU898 - Start routine of target &3: Number of data records changed from &1 to &2 ?

  The SAP error message RSAU898 indicates that there is a discrepancy in the number of data records processed during the execution of a data transfer process, specifically in the start routine of a target data object. The message typically states that the number of data records has changed from a certain value (&1) to another value (&2), which suggests that the data being processed is not consistent with what was expected.
  Cause:
  
  Data Inconsistency: The source data may have changed between the time it was read and the time it was processed, leading to a different number of records being processed.
  Filter Conditions: If there are filter conditions applied in the data transfer process, they may be excluding some records that were initially counted.
  Data Quality Issues: There may be issues with the data quality, such as duplicates or missing records, which can lead to discrepancies in the record count.
  Transformation Logic: The logic in the start routine or transformation may be incorrectly implemented, causing records to be added or removed unexpectedly.
  
  Solution:
  
  Check Data Source: Verify the data source to ensure that the data is consistent and has not changed unexpectedly. Look for any changes in the underlying data that could affect the record count.
  Review Filter Conditions: Examine any filter conditions applied in the data transfer process to ensure they are correctly set and not excluding necessary records.
  Debug Transformation Logic: If there is custom logic in the start routine or transformation, debug it to ensure it is functioning as intended. Look for any conditions that might be inadvertently filtering out records.
  Data Quality Checks: Perform data quality checks on the source data to identify and resolve any issues such as duplicates or missing records.
  Log Analysis: Check the logs for additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to analyze the data flow and monitor the data transfer processes.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  Documentation: Review the documentation for the specific data transfer process or transformation to understand the expected behavior and any known issues.
  
  By following these steps, you should be able to identify the root cause of the RSAU898 error and implement a solution to resolve it.