How To Fix CM_SERVICE_ADMIN302 - Parameter &1 exists already

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_SERVICE_ADMIN - Service Administration

• Message number: 302

• Message text: Parameter &1 exists already

What causes this issue?

The parameter name is used as the registration key and cannot be used
twice.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter a different parameter name.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SERVICE_ADMIN302 - Parameter &1 exists already ?

  The SAP error message CM_SERVICE_ADMIN302 with the description "Parameter &1 exists already" typically occurs when you are trying to create or define a parameter in the SAP system that already exists. This can happen in various contexts, such as when configuring system parameters, creating service definitions, or managing configuration settings.
  Cause:
  The primary cause of this error is an attempt to create a parameter with a name that is already in use within the system. This can happen if:
  
  You are trying to define a new parameter with the same name as an existing one.
  There is a duplicate entry in the configuration settings.
  The parameter was previously created but not properly deleted or modified.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Parameters:
  
  Use transaction codes like RZ10 (for profile parameters) or RZ11 (for dynamic parameters) to check if the parameter already exists.
  Search for the parameter name in the relevant configuration area to confirm its existence.
  
  
  
  Modify or Delete Existing Parameter:
  
  If the parameter already exists and you need to change its value, you can modify it instead of creating a new one.
  If the parameter is no longer needed, you can delete it if appropriate.
  
  
  
  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.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for guidance on parameter naming conventions and best practices.
  
  
  
  Check for Transport Issues:
  
  If this error occurs during a transport process, ensure that the transport does not contain duplicate entries for parameters.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RZ10, RZ11, and SPRO for parameter management.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  System Documentation: Review system documentation for guidelines on parameter management and configuration.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.