How To Fix UXS201 - Invalid URI (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: UXS - Messages Package UXS

• Message number: 201

• Message text: Invalid URI (&)

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 UXS201 - Invalid URI (&) ?

  The SAP error message UXS201 "Invalid URI (&)" typically occurs in the context of SAP Gateway or when working with OData services. This error indicates that there is an issue with the URI (Uniform Resource Identifier) being used in a request, which is not formatted correctly or contains invalid characters.
  Causes:
  
  Malformed URI: The URI may contain illegal characters or may not be properly encoded.
  Incorrect Service Configuration: The OData service may not be correctly configured, leading to an invalid endpoint.
  Missing Parameters: Required parameters in the URI may be missing or incorrectly specified.
  Special Characters: The presence of special characters that are not properly encoded can lead to this error.
  Versioning Issues: If the service is expecting a specific version of the OData protocol and the request does not comply, it may result in this error.
  
  Solutions:
  
  Check the URI Format: Ensure that the URI is correctly formatted. It should follow the standard URI structure and should not contain any illegal characters.
  URL Encoding: If the URI contains special characters (like spaces, &, %, etc.), make sure they are properly URL-encoded.
  Review Service Configuration: Verify that the OData service is correctly configured in the SAP Gateway. Check the service registration and ensure that it is active.
  Inspect Request Parameters: Ensure that all required parameters are included in the request and are correctly formatted.
  Test with a Tool: Use tools like Postman or SAP Gateway Client (Transaction /IWFND/GW_CLIENT) to test the OData service and see if the error persists with a simplified request.
  Check Logs: Look at the SAP Gateway logs (Transaction /IWFND/ERROR_LOG) for more detailed error messages that can provide additional context.
  Consult Documentation: Refer to the SAP documentation for the specific OData service you are using to ensure compliance with expected formats and parameters.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide updates and patches.
  OData Documentation: Familiarize yourself with OData standards and best practices for constructing URIs.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users facing similar issues.
  
  By following these steps, you should be able to identify the cause of the UXS201 error and implement a solution to resolve it.