How To Fix UD182 - Inconsistency between delta and full versions

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 182

• Message text: Inconsistency between delta and full versions

What causes this issue?

An internal error has occurred:
The difference between two versions was recorded in a delta table. A
line marked as <LS>inserted</> or <LS>changed</> in the delta could not
be located in the more recent version.

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?

A program modification is required to correct this error. Please
contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD182 - Inconsistency between delta and full versions ?

  The SAP error message UD182, which indicates an "Inconsistency between delta and full versions," typically arises in the context of SAP data extraction processes, particularly when dealing with DataSources in SAP BW (Business Warehouse) or SAP S/4HANA systems. This error suggests that there is a mismatch between the delta data and the full data set, which can lead to issues in data consistency and integrity.
  Causes of Error UD182
  
  
  Delta Initialization Issues: If the delta initialization process was not completed successfully, it can lead to inconsistencies between the full and delta data sets.
  
  
  Data Load Failures: If there were failures during the data load process (e.g., due to network issues, system crashes, etc.), it can result in incomplete or corrupted delta records.
  
  
  Changes in DataSource Structure: If the structure of the DataSource has changed (e.g., fields added or removed) after the full load but before the delta load, it can cause inconsistencies.
  
  
  Manual Changes: Manual changes to the data in the source system or in the BW system can lead to discrepancies between the full and delta versions.
  
  
  Incorrect Delta Management: If the delta management settings are not configured correctly, it can lead to issues in tracking changes.
  
  
  Solutions to Error UD182
  
  
  Reinitialize Delta: The most common solution is to reinitialize the delta process. This involves:
  
  Performing a full data load again to ensure that the full version is consistent.
  After the full load, reinitialize the delta process to ensure that the delta records are correctly captured.
  
  
  
  Check DataSource Configuration: Verify the configuration of the DataSource to ensure that it is set up correctly for delta processing. This includes checking the delta queue and ensuring that the extraction logic is correct.
  
  
  Monitor Data Load Processes: Use transaction codes like RSA1 (Data Warehousing Workbench) to monitor the data load processes and check for any errors or warnings that may indicate issues.
  
  
  Review Change Logs: Check the change logs in the source system to identify any changes that may have occurred after the full load but before the delta load.
  
  
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  Data Consistency Checks: Perform data consistency checks to identify any discrepancies between the full and delta data sets. This may involve running specific reports or using tools provided by SAP.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA3 (to test data extraction), RSMO (to monitor the delta queue), and RSPC (to manage process chains).
  SAP BW Documentation: Review the official SAP BW documentation for best practices on data extraction and delta management.
  SAP Community: Engage with the SAP Community forums for insights and shared experiences from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the UD182 error and ensure that your data extraction processes are functioning correctly.