How To Fix FL410 - Parameter can only have the class 'TABLE' or 'PARAMETER'

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 410

• Message text: Parameter can only have the class 'TABLE' or 'PARAMETER'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FL410 - Parameter can only have the class 'TABLE' or 'PARAMETER' ?

  The SAP error message FL410 indicates that there is an issue with the definition of a parameter in a function module or method. Specifically, it states that the parameter can only have the class 'TABLE' or 'PARAMETER', which means that the parameter type is not correctly defined according to the expected types in the context of the function module or method.
  Cause:
  
  Incorrect Parameter Type: The parameter in question is defined with a type that is not allowed. For example, it might be defined as a structure or a simple data type (like integer or string) instead of a table or parameter type.
  Function Module or Method Definition: The function module or method may have been incorrectly defined, leading to a mismatch in expected parameter types.
  Inconsistent Data Types: If the parameter is being passed from another function or method, the data type may not match the expected type in the receiving function.
  
  Solution:
  
  
  Check Parameter Definition: Review the definition of the parameter in the function module or method. Ensure that it is defined as either a 'TABLE' or 'PARAMETER' type.
  
  For example, if you need to pass a table, ensure that the parameter is defined as a table type (e.g., TABLE OF <type>).
  If it is meant to be a single value, ensure it is defined as a parameter type (e.g., TYPE <data_type>).
  
  
  
  Modify the Calling Code: If the parameter is being passed from another function or method, ensure that the calling code is passing the correct type. You may need to convert or adjust the data type before passing it.
  
  
  Check for Typographical Errors: Sometimes, simple typographical errors in the parameter name or type can lead to this error. Double-check for any such mistakes.
  
  
  Review Documentation: If you are using standard SAP function modules or methods, refer to the SAP documentation to ensure you are using the correct parameter types as defined by SAP.
  
  
  Debugging: If the issue persists, consider using the debugger to trace the flow of data and identify where the parameter type is being incorrectly set or passed.
  
  
  Related Information:
  
  Function Module Documentation: Always refer to the documentation of the specific function module or method you are working with to understand the expected parameter types.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific function module or method you are using.
  ABAP Development Guidelines: Familiarize yourself with ABAP development best practices, especially regarding data types and parameter definitions.
  
  By following these steps, you should be able to resolve the FL410 error and ensure that your parameters are correctly defined and passed in your SAP ABAP code.