How To Fix LTR2_BASIS_CHECK643 - Parameter &1 is specified as SND-RFC. The value &2 is not necessary.

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_BASIS_CHECK - LTR2 Messages of Checks in Check Framework

• Message number: 643

• Message text: Parameter &1 is specified as SND-RFC. The value &2 is not necessary.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_BASIS_CHECK643 - Parameter &1 is specified as SND-RFC. The value &2 is not necessary. ?

  The SAP error message LTR2_BASIS_CHECK643 indicates that there is a configuration issue related to the RFC (Remote Function Call) settings in your SAP system. Specifically, the error message states that a parameter is specified as SND-RFC (Sender RFC), but the value provided is not necessary or valid for that configuration.
  Cause:
  
  Incorrect RFC Configuration: The error typically arises when the system is expecting a certain configuration for the RFC destination, but the provided value does not meet the expected criteria.
  Redundant or Unused Parameters: The parameter specified may not be required for the operation you are trying to perform, leading to confusion in the system.
  Version Mismatch: If there are discrepancies between the versions of the systems involved in the RFC call, it may lead to unexpected behavior.
  
  Solution:
  
  
  Check RFC Destination: 
  
  Go to transaction SM59 and check the configuration of the RFC destination that is causing the issue. Ensure that the settings are correct and that the destination is reachable.
  
  
  
  Review Parameter Settings:
  
  Identify the parameter &1 mentioned in the error message and verify its configuration. If it is not necessary, consider removing or adjusting it.
  Ensure that the parameters you are using are appropriate for the context in which they are being applied.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or notes related to the specific RFC function you are trying to use. There may be specific requirements or changes in newer versions of SAP that you need to be aware of.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates. Sometimes, issues are resolved in newer versions or patches.
  
  
  
  Testing:
  
  After making changes, test the RFC connection to ensure that it is functioning correctly without the error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant configuration information.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59: For managing RFC destinations.
  SE37: For checking function modules related to the RFC.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Review the SAP Help Portal for documentation on RFC configurations and best practices.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.