How To Fix RS_DB_DB6303 - NLS connection &1 is not defined in table DBCON

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_DB_DB6 - DB6-Specific Messages in SAP BW

• Message number: 303

• Message text: NLS connection &1 is not defined in table DBCON

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_DB_DB6303 - NLS connection &1 is not defined in table DBCON ?

  The SAP error message RS_DB_DB6303 indicates that there is an issue with the database connection configuration in the SAP system. Specifically, it states that the NLS (National Language Support) connection is not defined in the DBCON table. This can occur when the system is trying to access a database connection that has not been properly set up or is missing.
  Cause:
  
  Missing Database Connection: The specified NLS connection is not defined in the DBCON table, which is used to manage database connections in SAP.
  Incorrect Configuration: The connection parameters for the NLS database might be incorrectly configured or not set up at all.
  Transport Issues: If the connection was recently transported from another system, it may not have been properly configured in the target system.
  Database Changes: Changes to the database or its configuration may have led to the disconnection or misconfiguration of the NLS connection.
  
  Solution:
  
  
  Check DBCON Table:
  
  Use transaction code SE11 to access the Data Dictionary.
  Look for the table DBCON and check if the NLS connection is defined there.
  If it is missing, you will need to create a new entry.
  
  
  
  Create/Update Database Connection:
  
  Use transaction code DBACOCKPIT or DBCON to create or update the database connection.
  Ensure that all required parameters (like connection type, database name, user, password, etc.) are correctly filled in.
  
  
  
  Verify Connection Parameters:
  
  Ensure that the connection parameters match those required by the database.
  Check for any typos or incorrect values in the connection settings.
  
  
  
  Check for Transport Issues:
  
  If the connection was transported, ensure that all necessary configuration steps were followed in the target system.
  Re-transport the connection if necessary.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to database connections and NLS support for specific guidance.
  
  
  
  Restart Services:
  
  Sometimes, restarting the SAP application server or relevant services can help in re-establishing the connection.
  
  
  
  Related Information:
  
  DBCON Table: This table contains the definitions of database connections in SAP. Each entry corresponds to a specific database connection.
  NLS Support: National Language Support allows SAP applications to handle multiple languages and regional settings. Proper configuration is essential for applications that require multilingual support.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific error message or database connection issues.
  
  If the problem persists after following these steps, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.