How To Fix FL040 - Only table types may be used as the reference type for a table parameter

FL040 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 040

• Message text: Only table types may be used as the reference type for a table parameter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FL040 - Only table types may be used as the reference type for a table parameter ?

  The SAP error message FL040 indicates that there is an issue with the definition of a table parameter in a function module or method. Specifically, it states that only table types can be used as the reference type for a table parameter. This error typically arises when you attempt to use a non-table type (like a structure or a simple data type) as the reference type for a table parameter.
  
  Cause:
  
  Incorrect Data Type: You may have defined a table parameter in a function module or method with a reference type that is not a table type. For example, using a structure or a scalar type (like CHAR, INT, etc.) instead of a table type.
  Parameter Definition: The parameter is defined incorrectly in the function interface. It should be defined as a table type, but it might be mistakenly defined as a different type.
  
  
  Solution:
  To resolve the FL040 error, follow these steps:
  
  
  Check Parameter Definition:
  
  Go