How To Fix S_UNIFIED_CON_API203 - Invalid Alias

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON_API - Messages for API for Unified Connectivity

• Message number: 203

• Message text: Invalid Alias

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 S_UNIFIED_CON_API203 - Invalid Alias ?

  The SAP error message S_UNIFIED_CON_API203 Invalid Alias typically occurs in the context of using the Unified Connectivity (UCON) framework in SAP, which is used for connecting to various data sources and services. This error indicates that there is an issue with the alias being used in a connection or configuration.
  Cause:
  
  Invalid Alias Name: The alias specified in the configuration does not exist or is incorrectly spelled.
  Configuration Issues: The alias may not be properly configured in the system, or the connection settings associated with the alias are incorrect.
  Authorization Issues: The user may not have the necessary authorizations to access the specified alias.
  System Configuration: There may be issues with the underlying system configuration or connectivity settings.
  
  Solution:
  
  
  Check Alias Configuration:
  
  Go to the relevant configuration area in SAP (e.g., transaction codes like SICF, SM59, or the specific UCON configuration area).
  Verify that the alias you are using is correctly defined and exists in the system.
  
  
  
  Correct Spelling:
  
  Ensure that the alias name is spelled correctly in your configuration or code.
  
  
  
  Review Connection Settings:
  
  Check the connection settings associated with the alias to ensure they are correct and complete.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the operation has the necessary authorizations to access the alias. You may need to check roles and authorizations in transaction PFCG.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on how to configure and use aliases in the context of Unified Connectivity.
  
  
  
  System Logs:
  
  Check system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Unified Connectivity (UCON): A framework in SAP that allows for the integration of various data sources and services.
  Transaction Codes: Familiarize yourself with relevant transaction codes like SM59 (RFC Destinations), SICF (HTTP Services), and SLG1 (Application Log) for troubleshooting.
  SAP Notes: Search for relevant SAP Notes that may address specific issues related to the error message.
  
  By following these steps, you should be able to identify and resolve the cause of the S_UNIFIED_CON_API203 Invalid Alias error in your SAP system.