How To Fix RSSEM055 - System error during access to DataSource &1 in System &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSEM - Messages for SEM

• Message number: 055

• Message text: System error during access to DataSource &1 in System &2

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSSEM055 - System error during access to DataSource &1 in System &2 ?

  The SAP error message RSSEM055 indicates that there is a system error when trying to access a DataSource in a specific system. This error typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there are issues with data extraction or data loading processes.
  Causes:
  
  Connectivity Issues: There may be a problem with the connection between the source system and the BW system.
  DataSource Configuration: The DataSource may not be properly configured or activated in the source system.
  Authorization Issues: The user or service account may not have the necessary authorizations to access the DataSource.
  System Performance: The source system may be experiencing performance issues, leading to timeouts or failures in data extraction.
  DataSource Deactivation: The DataSource might be deactivated or not available in the source system.
  Technical Issues: There could be underlying technical issues in the source system, such as database problems or inconsistencies.
  
  Solutions:
  
  Check Connectivity: Ensure that the connection between the BW system and the source system is active and functioning correctly. You can test the connection using transaction codes like SM59 (RFC destinations).
  Verify DataSource Configuration: Go to the source system and check the configuration of the DataSource. Ensure it is activated and properly set up.
  Review Authorizations: Check the authorizations for the user or service account that is trying to access the DataSource. Ensure that it has the necessary permissions.
  Monitor System Performance: Check the performance of the source system. Look for any locks, long-running processes, or resource bottlenecks that might be affecting data extraction.
  Re-activate DataSource: If the DataSource is deactivated, reactivate it in the source system.
  Check Logs: Review the application logs in both the source and BW systems for any additional error messages or warnings that could provide more context about the issue.
  Consult SAP Notes: Look for relevant SAP Notes that might address known issues related to the specific DataSource or error message.
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1 (Data Warehousing Workbench)
  SM59 (RFC Destinations)
  SLG1 (Application Log)
  
  
  SAP Notes: Search for SAP Notes related to RSSEM055 or the specific DataSource you are working with. SAP Notes often contain patches or workarounds for known issues.
  Documentation: Review the SAP Help Portal for documentation on DataSources and data extraction processes.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.