How To Fix UISS002 - Function module &1 does not exist in remote system &2

SAP Error Message - Details

• Message type: E = Error

• Message class: UISS - Message class for UISS

• Message number: 002

• Message text: Function module &1 does not exist in remote system &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UISS002 - Function module &1 does not exist in remote system &2 ?

  The SAP error message UISS002 indicates that a function module specified in the system does not exist in the remote system you are trying to access. This error typically occurs in scenarios involving Remote Function Calls (RFC) or when using the SAP Integration Framework.
  Cause:
  
  Function Module Not Created: The function module you are trying to call has not been created in the target system.
  Incorrect Function Module Name: There may be a typo or incorrect naming of the function module in the calling program.
  Transport Issues: The function module may exist in the development environment but has not been transported to the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the function module in the remote system.
  System Configuration: The RFC destination may not be correctly configured, leading to the inability to access the function module.
  
  Solution:
  
  
  Verify Function Module Existence:
  
  Check if the function module exists in the remote system by using transaction code SE37 or SE80.
  Ensure that the function module name is spelled correctly in your code.
  
  
  
  Transport the Function Module:
  
  If the function module exists in the development system but not in the target system, ensure that it is included in a transport request and that the transport has been successfully imported into the target system.
  
  
  
  Check RFC Destination:
  
  Verify the RFC destination settings in transaction SM59. Ensure that the connection to the remote system is correctly configured and that the target system is reachable.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the function has the necessary authorizations to call the function module in the remote system.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the calling program to see the exact parameters being passed and the context in which the error occurs.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or notes from SAP that may provide additional context or solutions for this specific error.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE37: Function Module Maintenance
  SE80: Object Navigator
  SM59: RFC Destinations
  ST22: Dump Analysis (if applicable)
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the function module or the error message.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the root cause of the UISS002 error and implement the appropriate solution.