How To Fix RSAODS120 - An error occurred when reading PSA data

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAODS - Messages for the operational data store

• Message number: 120

• Message text: An error occurred when reading PSA data

What causes this issue?

An attempt was made to read the data in request &V1&. If a certain data
packet should be read it was packet: &V2&.

System Response

An unspecified error occurred.

How to fix this error?

Please contact your system administrator.
Check the OSS for corresponding notes and create a new problem message
if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAODS120 - An error occurred when reading PSA data ?

  The SAP error message RSAODS120, which states "An error occurred when reading PSA data," typically occurs in the context of data extraction processes, particularly when dealing with the Persistent Staging Area (PSA) in SAP BW (Business Warehouse). This error can arise due to various reasons, and understanding the cause is essential for troubleshooting.
  Causes of RSAODS120 Error
  
  
  Data Consistency Issues: There may be inconsistencies or corruption in the data stored in the PSA tables. This can happen due to incomplete data loads or failed processes.
  
  
  Database Issues: Problems with the underlying database, such as connectivity issues, locks, or performance problems, can prevent the system from reading the PSA data.
  
  
  Authorization Issues: The user executing the data extraction may not have the necessary authorizations to access the PSA data.
  
  
  Data Model Changes: Changes in the data model, such as modifications to InfoObjects or InfoProviders, can lead to issues when trying to read data from the PSA.
  
  
  Technical Issues: Bugs or technical issues in the SAP BW system or the specific version being used can also lead to this error.
  
  
  Solutions to RSAODS120 Error
  
  
  Check Data Consistency:
  
  Use transaction codes like RSA1 to check the status of the data in the PSA.
  Look for any inconsistencies or errors in the data load process.
  
  
  
  Review Database Logs:
  
  Check the database logs for any errors or issues that might indicate connectivity problems or locks on the PSA tables.
  
  
  
  Verify Authorizations:
  
  Ensure that the user has the necessary authorizations to access the PSA data. This can be checked in transaction SU53 or by reviewing the user roles.
  
  
  
  Reprocess Data:
  
  If the data in the PSA is corrupted, consider deleting the problematic records and reloading the data from the source system.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP BW system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on similar issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSMO (Monitor Data Loads), and RSPC (Process Chain Maintenance) for monitoring and managing data loads.
  PSA Tables: Understand the structure of PSA tables and how they interact with data extraction processes.
  Data Load Monitoring: Regularly monitor data loads and processes to catch issues early and maintain data integrity.
  
  By following these steps, you should be able to diagnose and resolve the RSAODS120 error effectively.