How To Fix /AIF/WET_MAIN_MSG002 - Dynamic call of read function &1 failed; &2 &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/WET_MAIN_MSG -

• Message number: 002

• Message text: Dynamic call of read function &1 failed; &2 &3 &4

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 /AIF/WET_MAIN_MSG002 - Dynamic call of read function &1 failed; &2 &3 &4 ?

  The SAP error message /AIF/WET_MAIN_MSG002 indicates that there was a failure in dynamically calling a read function in the Application Interface Framework (AIF). This error can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Possible Causes:
  
  Function Module Issues: The function module being called may not exist, may be incorrectly named, or may not be activated.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected parameters, leading to a runtime error.
  Configuration Issues: There may be issues with the AIF configuration, such as incorrect settings for the interface or the function module.
  Transport Issues: If the function module was recently transported, it may not have been properly activated in the target system.
  
  Solutions:
  
  Check Function Module: Verify that the function module exists in the system and is correctly named. You can do this by using transaction SE37 to search for the function module.
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 or by reviewing the user's roles and authorizations.
  Review Parameters: Check the parameters being passed to the function module. Ensure that they match the expected input and output parameters defined in the function module.
  Review AIF Configuration: Go through the AIF configuration settings to ensure that everything is set up correctly. This includes checking the interface configuration and any related settings.
  Transport Activation: If the function module was recently transported, ensure that it has been activated in the target system. You can do this by checking the transport logs and ensuring that the transport was successful.
  Debugging: If the issue persists, consider debugging the AIF process to get more detailed information about where the error is occurring. You can set breakpoints in the relevant code to analyze the flow and identify the root cause.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE37: Function Module Maintenance
  SU53: Authorization Check
  SLG1: Application Log
  AIF Configuration: Use transaction /AIF/CONFIG to access AIF configuration settings.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Review the official SAP documentation for AIF to understand the expected behavior and configuration settings.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it. If the issue continues, consider reaching out to SAP support for further assistance.