How To Fix TG233 - Calling function module & using RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 233

• Message text: Calling function module & using RFC

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message TG233 - Calling function module & using RFC ?

  The SAP error message TG233 typically indicates an issue related to the calling of a function module using Remote Function Call (RFC). This error can arise due to various reasons, including configuration issues, authorization problems, or network-related issues. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Function Module Not Found: The specified function module may not exist in the target system or may not be correctly defined.
  Authorization Issues: The user or system trying to call the function module may not have the necessary authorizations.
  Network Issues: There may be connectivity problems between the systems involved in the RFC call.
  Incorrect RFC Destination: The RFC destination may not be configured correctly, leading to issues in reaching the target system.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected types or formats.
  
  Solutions:
  
  Check Function Module: Verify that the function module exists in the target system and is correctly defined. You can do this by using transaction SE37 or SE80.
  Review Authorizations: Ensure that the user or system has the necessary authorizations to execute the function module. You can check this using transaction SU53 after the error occurs.
  Test RFC Connection: Use transaction SM59 to test the RFC connection. Ensure that the connection is active and that you can connect to the target system without issues.
  Validate RFC Destination: Check the configuration of the RFC destination in transaction SM59. Ensure that the connection parameters (like the target system, client, user, and password) are correct.
  Parameter Validation: Review the parameters being passed to the function module. Ensure they match the expected types and formats as defined in the function module.
  Check Logs: Review the system logs (transaction SM21) and short dump analysis (transaction ST22) for any additional error messages that may provide more context.
  
  Related Information:
  
  Transaction Codes:
  
  SE37: Function Module Maintenance
  SM59: RFC Destinations
  SU53: Authorization Check
  ST22: Dump Analysis
  SM21: System Log
  
  
  SAP Notes: Check SAP Notes related to the specific function module or RFC issues for any known bugs or patches.
  Documentation: Review the documentation for the specific function module to understand its parameters and expected behavior.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.