How To Fix RSODSO_UPDATE028 - Key violation for DataStore &1, request &2, package &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODSO_UPDATE - Messages for loading DataStore objects

• Message number: 028

• Message text: Key violation for DataStore &1, request &2, package &3

What causes this issue?

Insertion of request &v2& / data package &v3& led to a violation of the
uniqueness of the key in DataStore &v1& <AB>REQUEST/DATAPAKID/RECORD.
Save was reset.</>

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSODSO_UPDATE028 - Key violation for DataStore &1, request &2, package &3 ?

  The SAP error message RSODSO_UPDATE028 indicates a key violation in a DataStore Object (DSO) during the update process. This typically occurs when there is an attempt to insert or update a record in the DSO that violates the primary key constraints defined for that DSO.
  Cause:
  
  
  Duplicate Key Values: The most common cause of this error is that the data being loaded into the DSO contains duplicate key values that already exist in the DSO. Each record in a DSO must have a unique key, and if the incoming data has a key that already exists, it will trigger this error.
  
  
  Incorrect Data: The data being loaded may not conform to the expected structure or may have been transformed incorrectly, leading to key violations.
  
  
  Data Source Issues: If the data source from which the DSO is being populated has inconsistencies or duplicates, this can also lead to key violations.
  
  
  Incorrect Update Mode: If the DSO is set to a mode that does not allow for duplicates (like "Overwrite" or "Additive"), and the incoming data contains duplicates, this error will occur.
  
  
  Solution:
  
  
  Check for Duplicates: Review the data being loaded into the DSO to ensure that there are no duplicate key values. You can do this by querying the source data or using tools like SAP BW Query Designer to analyze the data.
  
  
  Data Cleansing: If duplicates are found, you may need to cleanse the data before loading it into the DSO. This could involve removing duplicates or aggregating data as necessary.
  
  
  Review Data Source: Ensure that the data source feeding into the DSO is clean and does not contain duplicates. If necessary, modify the extraction logic to prevent duplicates from being sent to the DSO.
  
  
  Adjust Update Mode: If the DSO is set to a mode that does not allow duplicates, consider changing the update mode to one that allows for the intended data load. However, be cautious with this approach as it may lead to data integrity issues.
  
  
  Check Transformation Logic: If you are using transformations to load data into the DSO, review the transformation logic to ensure that it is correctly handling key fields and not introducing duplicates.
  
  
  Monitor Load Process: Use transaction codes like RSA1 (Data Warehousing Workbench) to monitor the load process and identify where the error is occurring.
  
  
  Related Information:
  
  Transaction Codes: Use RSA1 to access the Data Warehousing Workbench, and RSMO to monitor the status of data loads.
  SAP Notes: Check SAP Notes related to DSO key violations for any specific patches or updates that may address known issues.
  Documentation: Review SAP documentation on DataStore Objects and data loading processes for best practices and guidelines.
  
  By following these steps, you should be able to identify the cause of the key violation and implement a solution to resolve the error.