How To Fix RS_DB_DB6577 - Distribution key for PSA table &1 differs from metadata

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_DB_DB6 - DB6-Specific Messages in SAP BW

• Message number: 577

• Message text: Distribution key for PSA table &1 differs from metadata

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Report an incident on component BW-SYS-DB-DB6.

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 RS_DB_DB6577 - Distribution key for PSA table &1 differs from metadata ?

  The SAP error message RS_DB_DB6577 indicates that there is a mismatch between the distribution key defined in the metadata of a Persistent Staging Area (PSA) table and the actual distribution key used in the database. This can occur in SAP BW (Business Warehouse) environments when there are inconsistencies between the data model and the underlying database structure.
  Cause:
  
  Metadata Changes: Changes made to the PSA table structure or distribution key in the BW system that have not been reflected in the underlying database.
  Database Issues: Issues with the database that may have led to corruption or inconsistency in the metadata.
  Transport Issues: If the PSA table was transported from one system to another, the distribution key may not have been correctly updated.
  Manual Changes: Manual changes made directly in the database without corresponding updates in the BW metadata.
  
  Solution:
  
  Check Metadata: Verify the metadata of the PSA table in the BW system. Ensure that the distribution key defined in the BW system matches the one in the database.
  Recreate the PSA Table: If the metadata is incorrect, you may need to recreate the PSA table. This can be done by:
  
  Deleting the existing PSA table (ensure you have backups and that this is done in a non-production environment first).
  Re-creating the PSA table through the DataSource or InfoPackage.
  
  
  Repair the Table: Use transaction codes like RSA1 to access the Data Warehousing Workbench and check the DataSource settings. You can also use the RSPSA transaction to manage PSA tables.
  Database Consistency Check: Run consistency checks on the database to ensure that there are no other underlying issues.
  Transport Request: If the issue arose after a transport, check the transport request for any missing or incorrect objects related to the PSA table.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to this error. You can search the SAP Support Portal for specific notes related to RS_DB_DB6577.
  Transaction Codes: Familiarize yourself with transaction codes like RSA1, RSPSA, and SE11 (Data Dictionary) for managing and troubleshooting data models.
  Backup: Always ensure you have a backup of your data before making changes to the database or metadata.
  Testing: After making changes, test the data loading process to ensure that the issue has been resolved and that data is being loaded correctly into the PSA.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.