How To Fix RCPAPI1023 - Interface parameter &1 is not set

SAP Error Message - Details

• Message type: E = Error

• Message class: RCPAPI1 - RMS-RCP: Recipe Search

• Message number: 023

• Message text: Interface parameter &1 is 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RCPAPI1023 - Interface parameter &1 is not set ?

  The SAP error message RCPAPI1023, which states "Interface parameter &1 is not set," typically occurs when a required parameter for a function module or interface is not provided or is set to an invalid value. This can happen in various contexts, such as when calling remote function calls (RFCs) or when using certain APIs.
  Cause:
  
  Missing Parameter: The most common cause is that a required parameter (denoted by &1 in the error message) has not been provided in the function call.
  Incorrect Configuration: The system configuration may be incorrect, leading to the interface expecting certain parameters that are not being supplied.
  Data Issues: The data being passed to the function may be incomplete or not properly formatted, causing the interface to fail.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain parameters or data.
  
  Solution:
  
  Check Function Module/Interface Documentation: Review the documentation for the specific function module or interface you are using to identify the required parameters. Ensure that all mandatory parameters are being passed correctly.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the function module to see what parameters are being passed and identify which one is missing.
  Parameter Initialization: Ensure that all parameters are initialized before the function call. If a parameter is optional, check if it needs to be set to a default value.
  Review Configuration: If the error is related to a configuration setting, review the relevant configuration in the SAP system to ensure it is set up correctly.
  Check User Authorizations: Ensure that the user executing the function has the necessary authorizations to access the required parameters.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific function module or interface you are using. SAP Notes often provide patches or workarounds for known problems.
  Transaction Codes: Use transaction codes like SE37 (Function Builder) or SE80 (Object Navigator) to explore the function module and its parameters.
  Community Forums: Consider searching or posting on SAP Community forums or other technical forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the RCPAPI1023 error and implement a solution to resolve it.