How To Fix FL166 - Parameter & is not a table parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 166

• Message text: Parameter & is not a table parameter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FL166 - Parameter & is not a table parameter ?

  The SAP error message FL166, which states "Parameter & is not a table parameter," typically occurs when there is an issue with the parameters being passed to a function module or a method in ABAP (Advanced Business Application Programming). This error indicates that the system expected a table parameter but received something else.
  Cause:
  
  Incorrect Parameter Type: The parameter being passed is not defined as a table parameter in the function module or method signature.
  Data Type Mismatch: The data type of the variable being passed does not match the expected table type.
  Incorrect Function Call: The function module or method is being called incorrectly, possibly with the wrong parameters.
  
  Solution:
  
  Check Function Module/Method Signature: Verify the definition of the function module or method you are calling. Ensure that the parameter you are passing is indeed defined as a table parameter.
  Correct Data Type: Make sure that the variable you are passing is of the correct type. If the function expects a table, ensure that you are passing an internal table or a compatible data structure.
  Review Calling Code: Look at the code where the function module or method is called. Ensure that you are passing the correct parameters in the correct order and format.
  Debugging: Use the ABAP debugger to step through the code and inspect the values and types of the parameters being passed to identify any discrepancies.
  
  Related Information:
  
  Function Module Documentation: Check the SAP documentation for the specific function module or method to understand the expected parameters and their types.
  ABAP Data Types: Familiarize yourself with ABAP data types, especially how internal tables are defined and used.
  SAP Notes: Search for any relevant SAP Notes that might address this specific error or provide additional context or solutions.
  
  If you continue to face issues, consider reaching out to your SAP support team or consulting the SAP community for further assistance.