How To Fix RSM2857 - PSA & consistency check started

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM2 - Monitor assistant help texts

• Message number: 857

• Message text: PSA & consistency check started

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSM2857 - PSA & consistency check started ?

  The SAP error message RSM2857 indicates that a consistency check for the Persistent Staging Area (PSA) has been initiated. This message typically arises in the context of data extraction processes, particularly when working with SAP BW (Business Warehouse) or SAP BW/4HANA.
  Cause:
  The error message RSM2857 can occur due to several reasons, including:
  
  Data Inconsistencies: There may be inconsistencies in the data stored in the PSA, which can arise from failed data loads or issues during data extraction.
  Data Model Changes: Changes in the data model or structure of the InfoSource or DataSource can lead to inconsistencies in the PSA.
  Data Quality Issues: Poor data quality or unexpected data formats can trigger the consistency check.
  System Configuration: Incorrect configuration settings in the BW system can also lead to this error.
  
  Solution:
  To resolve the RSM2857 error, you can take the following steps:
  
  Run Consistency Check: Use transaction code RSMO to run a consistency check on the PSA. This will help identify any inconsistencies in the data.
  Repair Inconsistencies: If the consistency check identifies issues, you may need to repair the inconsistencies. This can involve deleting erroneous records or reloading data.
  Check Data Load Process: Review the data load process to ensure that it is functioning correctly. Check for any errors in the data extraction or transformation steps.
  Review DataSource and InfoSource: Ensure that the DataSource and InfoSource configurations are correct and that there have been no recent changes that could affect the data structure.
  Data Quality Checks: Implement data quality checks to ensure that the data being loaded into the PSA meets the expected formats and standards.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSMO (for consistency checks) and RSA1 (for data modeling).
  SAP BW Documentation: Review SAP BW documentation for best practices on managing the PSA and handling data loads.
  Monitoring Tools: Utilize monitoring tools within SAP BW to keep track of data loads and identify issues proactively.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with a BW expert for further assistance.