How To Fix FL048 - Class references are not allowed in TABLES parameters

FL048 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 048

• Message text: Class references are not allowed in TABLES parameters

What causes this issue?

You tried to define a reference to a class as a table parameter.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

In the Dictionary, create a table of row type 'Reference to class'. You
can use it as reference type for the paraemters of function modules and
methods.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL048 - Class references are not allowed in TABLES parameters ?

  The SAP error message FL048: Class references are not allowed in TABLES parameters typically occurs when you are trying to use a class reference in a TABLES parameter of a function module or method. In ABAP, TABLES parameters are designed to work with internal tables, and class references (which are object-oriented constructs) are not compatible with this type of parameter.
  
  Cause:
  The error arises when:
  
  You attempt to pass a reference to a class or an object as a TABLES parameter.
  The TABLES parameter is expected to be an internal table, but a class reference is provided instead.
  
  
  Solution:
  To resolve this error, you should ensure that you are passing the correct type of data to the TABLES parameter. Here are some steps you can take:
  
  
  Check the Function Module/Method Signature: Review the definition of the function module or method you are calling. Ensure that the parameters you are passing match the expected types.
  
  
  Use Internal Tables: If