How To Fix RTCMMD220 - Function module "&" was called incorrectly

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 220

• Message text: Function module "&" was called incorrectly

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 RTCMMD220 - Function module "&" was called incorrectly ?

  The SAP error message RTCMMD220 indicates that a function module was called incorrectly. This error typically arises when there is an issue with the parameters being passed to the function module or when the function module is not being used in the correct context.
  Causes:
  
  Incorrect Parameters: The parameters being passed to the function module do not match the expected data types or structure.
  Missing Required Parameters: Some required parameters may not have been provided when calling the function module.
  Incorrect Function Module Usage: The function module may be intended for a specific context or scenario that is not being adhered to.
  Authorization Issues: The user may not have the necessary authorizations to execute the function module.
  Configuration Issues: There may be configuration settings in the system that are not aligned with the expected usage of the function module.
  
  Solutions:
  
  Check Function Module Documentation: Review the documentation for the specific function module to ensure that you are passing the correct parameters and using it in the intended context.
  Validate Parameters: Ensure that all parameters being passed are of the correct data type and structure. Use transaction SE37 to view the function module and its parameters.
  Debugging: If you have access, use the debugger to step through the code and identify where the incorrect call is being made.
  Authorization Check: Verify that the user executing the function module has the necessary authorizations. You can check this using transaction SU53 after the error occurs.
  Consult with Basis or ABAP Team: If the issue persists, consult with your SAP Basis or ABAP development team for further analysis and assistance.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE37 (Function Builder) to view and test function modules.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues with the specific function module.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and potential solutions.
  
  If you continue to experience issues, providing specific details about the function module in question and the context in which the error occurs can help in diagnosing the problem more effectively.