How To Fix RSM2851 - Error & when writing in PSA &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM2 - Monitor assistant help texts

• Message number: 851

• Message text: Error & when writing in PSA &

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSM2851 - Error & when writing in PSA & ?

  The SAP error message RSM2851 typically occurs in the context of data extraction and loading processes, particularly when working with the Persistent Staging Area (PSA) in SAP BW (Business Warehouse). This error can arise due to various reasons, often related to data inconsistencies, issues with the data source, or problems with the data transfer process.
  Causes of RSM2851 Error
  
  Data Inconsistencies: The data being loaded into the PSA may have inconsistencies or errors that prevent successful writing.
  Data Type Mismatches: There may be a mismatch between the data types defined in the PSA and the data being loaded.
  Missing Required Fields: Required fields in the PSA may not be populated in the incoming data.
  Duplicate Records: If the incoming data contains duplicate records that violate the uniqueness constraints of the PSA, this error may occur.
  Technical Issues: There could be technical issues with the data source or the extraction process itself.
  
  Solutions to RSM2851 Error
  
  Check Data Consistency: Review the data being loaded into the PSA for any inconsistencies or errors. Ensure that the data adheres to the expected format and values.
  Validate Data Types: Ensure that the data types in the source system match those defined in the PSA. Adjust the data types if necessary.
  Populate Required Fields: Make sure that all required fields in the PSA are being populated in the incoming data.
  Remove Duplicates: Check for and remove any duplicate records in the data being loaded to avoid uniqueness constraint violations.
  Review Extraction Process: Investigate the extraction process for any technical issues. This may involve checking the extraction settings, data source configurations, and any transformations applied to the data.
  Check Logs: Review the application logs and error logs in SAP BW for more detailed information about the error. This can provide insights into what specifically caused the error.
  
  Related Information
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to monitor and manage data loads and check for errors.
  Data Source Configuration: Ensure that the data source is correctly configured and that the extraction process is functioning as expected.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to the RSM2851 error. SAP Notes often provide patches or workarounds for specific problems.
  Documentation: Refer to SAP documentation for best practices on data loading and handling errors in BW.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation and support.