How To Fix DBOSC451 - Error while evaluating parameter '&1'; required parameter not set

SAP Error Message - Details

• Message type: E = Error

• Message class: DBOSC -

• Message number: 451

• Message text: Error while evaluating parameter '&1'; required parameter not set

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.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DBOSC451 - Error while evaluating parameter '&1'; required parameter not set ?

  The SAP error message DBOSC451 indicates that there is an issue with a required parameter not being set during the evaluation of a specific parameter in the database connection or configuration. This error typically arises in the context of database operations, particularly when the system is trying to access or manipulate data but cannot find the necessary configuration settings.
  Cause:
  
  Missing Configuration: The required parameter that the system is trying to evaluate is not set in the configuration files or database settings.
  Incorrect Parameter Name: The parameter name being referenced may be incorrect or misspelled.
  Database Connection Issues: There may be issues with the database connection itself, leading to parameters not being recognized.
  System Environment: The environment in which the SAP system is running may not have the necessary parameters configured.
  
  Solution:
  
  
  Check Configuration Settings:
  
  Review the configuration settings in the SAP system, particularly those related to database connections.
  Ensure that all required parameters are set correctly in the relevant configuration files (e.g., instance profile, database profile).
  
  
  
  Verify Parameter Names:
  
  Double-check the parameter names being used in the configuration to ensure they are correct and match the expected values.
  
  
  
  Database Connection:
  
  Test the database connection to ensure it is functioning properly. You can use transaction codes like DBACOCKPIT or DB02 to check the database status.
  If there are issues with the database connection, resolve them before proceeding.
  
  
  
  Review Documentation:
  
  Consult the SAP documentation or help resources for the specific parameters related to your database and the context in which the error occurred.
  
  
  
  System Logs:
  
  Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on required parameters.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like DBACOCKPIT, DB02, and SM21 for monitoring and troubleshooting database-related issues.
  SAP Notes: Regularly check for updates and notes related to your SAP version and database type, as they may contain important fixes or configuration guidelines.
  Documentation: Review the official SAP documentation for your specific database (e.g., HANA, Oracle, SQL Server) for detailed configuration instructions.
  
  By following these steps, you should be able to identify and resolve the cause of the DBOSC451 error in your SAP system.