How To Fix WAF111 - Error calling the function module in system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WAF - Wireless Application Framework

• Message number: 111

• Message text: Error calling the function module in system &1

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 WAF111 - Error calling the function module in system &1 ?

  The SAP error message WAF111, which states "Error calling the function module in system &1," typically indicates that there is an issue with a function module that is being called within the SAP system. This error can arise from various underlying causes, and resolving it may require a systematic approach. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Function Module Not Found: The specified function module may not exist in the target system.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  System Configuration: There may be configuration issues in the system that prevent the function module from being executed properly.
  Network Issues: If the function module is being called in a remote system, network connectivity issues could be the cause.
  Data Issues: Invalid or unexpected data being passed to the function module can lead to errors.
  Transport Issues: If the function module was recently transported, it may not have been activated or may have dependencies that are not met.
  
  Solutions:
  
  Check Function Module Existence: Verify that the function module exists in the target system by using transaction SE37 or SE80.
  Review 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.
  Debugging: If you have access, use the debugger to step through the code and identify where the error occurs. This can provide insights into what might be going wrong.
  Check Configuration: Review the configuration settings related to the function module and ensure that everything is set up correctly.
  Network Connectivity: If the function module is being called in a different system, check the network connection and ensure that the remote system is accessible.
  Data Validation: Validate the data being passed to the function module to ensure it meets the expected format and constraints.
  Transport Activation: If the function module was recently transported, ensure that it has been activated in the target system and that all dependencies are satisfied.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Builder), SE80 (Object Navigator), and SU53 (Authorization Check).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Review system logs (transaction SM21) and application logs (transaction SLG1) for any additional error messages or warnings that may provide context for the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.