How To Fix P0802 - Parameter named & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: P0 - Messages for Transactions PE01, PE02 and PE03

• Message number: 802

• Message text: Parameter named & already exists

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 P0802 - Parameter named & already exists ?

  The SAP error message P0802, which states "Parameter named & already exists," typically occurs when you attempt to create or modify a parameter in the SAP system that already exists with the same name. This can happen in various contexts, such as when working with user parameters, system parameters, or configuration settings.
  Cause:
  
  Duplicate Parameter Name: The most common cause is that you are trying to create a parameter with a name that is already in use.
  Incorrect Configuration: Sometimes, this error can arise from incorrect configuration settings or attempts to overwrite existing parameters without proper checks.
  Transport Issues: If you are transporting changes from one system to another, there may be conflicts with existing parameters.
  
  Solution:
  
  
  Check Existing Parameters: Before creating a new parameter, check if a parameter with the same name already exists. You can do this by navigating to the relevant transaction (e.g., RZ10 for profile parameters) and searching for the parameter name.
  
  
  Modify Existing Parameter: If the parameter already exists and you need to change its value, consider modifying the existing parameter instead of creating a new one.
  
  
  Use a Unique Name: If you need to create a new parameter, ensure that you use a unique name that does not conflict with existing parameters.
  
  
  Transport Management: If this error occurs during a transport, review the transport request to ensure that it does not contain conflicting parameters. You may need to adjust the transport or resolve conflicts manually.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the type of parameter you are working with.
  
  
  Related Information:
  
  
  Transaction Codes: Common transaction codes related to parameters include:
  
  RZ10: For managing instance profile parameters.
  RZ11: For maintaining profile parameters dynamically.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for relevant notes.
  
  
  System Logs: Review system logs (transaction SM21) for additional context or related errors that may provide more insight into the issue.
  
  
  User Authorizations: Ensure that you have the necessary authorizations to create or modify parameters in the SAP system.
  
  
  By following these steps, you should be able to resolve the P0802 error and manage parameters effectively in your SAP environment.