How To Fix RSRV189 - PSA table &1 is not partitioned in database

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRV -

• Message number: 189

• Message text: PSA table &1 is not partitioned in database

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRV189 - PSA table &1 is not partitioned in database ?

  The SAP error message RSRV189 indicates that a Persistent Staging Area (PSA) table is not partitioned in the database. This can occur in the context of SAP BW (Business Warehouse) when dealing with data loading and storage.
  Cause:
  
  Non-Partitioned Table: The PSA table in question is not set up to use partitioning, which can lead to performance issues, especially when dealing with large volumes of data.
  Database Configuration: The underlying database may not have partitioning enabled or configured correctly for the specific PSA table.
  Data Volume: If the PSA table is expected to handle a large amount of data, not having it partitioned can lead to inefficiencies in data retrieval and processing.
  
  Solution:
  
  
  Check Partitioning Settings: 
  
  Go to the Data Warehousing Workbench (transaction RSA1) and check the settings for the PSA table.
  Ensure that the table is configured to use partitioning if it is expected to handle large volumes of data.
  
  
  
  Create Partitions:
  
  If the table is not partitioned, you may need to create partitions for it. This can typically be done through the database management tools or SQL commands, depending on the database you are using (e.g., HANA, Oracle, SQL Server).
  Consult your database documentation for the specific commands to create partitions.
  
  
  
  Use Transaction RSRV:
  
  You can use transaction RSRV to check the consistency of the PSA and to see if there are any other issues that need to be addressed.
  Run the consistency check for the PSA table and follow any recommendations provided.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may provide additional guidance or fixes related to this error message.
  
  
  
  Performance Tuning:
  
  If partitioning is not feasible, consider other performance tuning options, such as indexing or optimizing the data model.
  
  
  
  Related Information:
  
  PSA Tables: PSA tables are used in SAP BW to temporarily store data before it is transformed and loaded into the data warehouse.
  Partitioning: Partitioning is a database design technique that divides a large table into smaller, more manageable pieces, which can improve performance and manageability.
  Database-Specific Features: Different databases have different capabilities and methods for partitioning tables, so it is essential to refer to the documentation specific to the database you are using with SAP BW.
  
  If you continue to experience issues after following these steps, it may be beneficial to consult with your database administrator or SAP support for further assistance.