How To Fix RSM2856 - Error & when reading PSA &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM2 - Monitor assistant help texts

• Message number: 856

• Message text: Error & when reading 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 RSM2856 - Error & when reading PSA & ?

  The SAP error message RSM2856 typically occurs in the context of data extraction and loading processes, particularly when dealing with the Persistent Staging Area (PSA) in SAP BW (Business Warehouse). This error can arise during the extraction of data from a source system or when reading data from the PSA.
  Cause of RSM2856 Error
  The RSM2856 error can be caused by several factors, including:
  
  
  Data Inconsistencies: There may be inconsistencies or errors in the data being loaded into the PSA, such as missing mandatory fields or incorrect data formats.
  
  
  PSA Table Issues: The PSA tables may be locked, corrupted, or not properly configured, preventing successful data reads.
  
  
  Authorization Issues: The user executing the data load may not have the necessary authorizations to read from the PSA.
  
  
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the data source.
  
  
  Data Transfer Process (DTP) Configuration: Incorrect settings in the DTP that is responsible for transferring data from the source to the PSA can also lead to this error.
  
  
  Solutions to RSM2856 Error
  To resolve the RSM2856 error, you can take the following steps:
  
  
  Check Data Consistency:
  
  Review the data being loaded into the PSA for any inconsistencies or errors. Ensure that all mandatory fields are populated and that the data formats are correct.
  
  
  
  Inspect PSA Tables:
  
  Check the PSA tables for any locks or corruption. You can use transaction codes like SE11 to view the table structure and SE14 to check for inconsistencies.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the data load has the necessary authorizations to access the PSA. You can check user roles and authorizations in transaction SU01.
  
  
  
  Analyze DTP Configuration:
  
  Review the configuration of the Data Transfer Process (DTP) to ensure that it is set up correctly. Check for any filters or transformations that may be causing issues.
  
  
  
  Check for Technical Issues:
  
  Investigate any underlying technical issues, such as database connectivity problems. You can check system logs for any related error messages.
  
  
  
  Reprocess the Data:
  
  If the error persists, consider reprocessing the data load. You may need to delete the erroneous records from the PSA and attempt the load again.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSMO (Monitor Data Load), and RSPC (Process Chain) for monitoring and managing data loads.
  SAP BW Documentation: Refer to SAP BW documentation for best practices on data extraction and loading processes.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the RSM2856 error effectively.