How To Fix CM_SDM_MDPSX002 - Failed to get reference to HANA access class

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_SDM_MDPSX - Messages for CX_SDM_MDPSX exception class

• Message number: 002

• Message text: Failed to get reference to HANA access class

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SDM_MDPSX002 - Failed to get reference to HANA access class ?

  The SAP error message CM_SDM_MDPSX002: Failed to get reference to HANA access class typically indicates an issue with the connection or configuration related to the SAP HANA database. This error can occur in various scenarios, such as during system provisioning, data migration, or when trying to access HANA-related functionalities.
  Causes:
  
  Configuration Issues: The HANA access class may not be properly configured in the system.
  Missing or Incorrect Authorization: The user or service account may lack the necessary permissions to access the HANA database.
  Network Issues: There may be connectivity problems between the SAP application server and the HANA database.
  HANA Database Not Running: The HANA database instance may not be up and running.
  Incorrect HANA Client Installation: The HANA client may not be installed correctly or may be incompatible with the SAP system version.
  Version Mismatch: There could be a version mismatch between the SAP application and the HANA database.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify the configuration settings for the HANA database in the SAP system. Ensure that the connection parameters (host, port, user, password) are correct.
  Check the settings in transaction DBACOCKPIT or HANA Studio to ensure that the HANA database is correctly defined.
  
  
  
  Verify User Authorizations:
  
  Ensure that the user account being used to connect to the HANA database has the necessary authorizations. This includes roles and privileges required to access the database.
  
  
  
  Test Network Connectivity:
  
  Use tools like ping or telnet to check if the SAP application server can reach the HANA database server. Ensure that there are no firewall rules blocking the connection.
  
  
  
  Check HANA Database Status:
  
  Log in to the HANA database using HANA Studio or command line and check if the database is running. If it is down, restart the HANA database.
  
  
  
  Reinstall or Update HANA Client:
  
  If the HANA client is not installed or is outdated, reinstall or update it to the latest version compatible with your SAP system.
  
  
  
  Check for Version Compatibility:
  
  Ensure that the versions of the SAP application and the HANA database are compatible. Refer to the SAP Product Availability Matrix for guidance.
  
  
  
  Review Logs:
  
  Check the SAP application logs (transaction SM21) and HANA logs for any additional error messages that could provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for HANA connectivity and configuration.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP Support for further assistance.