How To Fix FL044 - Predefined types can only be referenced with TYPE

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 044

• Message text: Predefined types can only be referenced with TYPE

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FL044 - Predefined types can only be referenced with TYPE ?

  The SAP error message FL044, which states "Predefined types can only be referenced with TYPE," typically occurs in ABAP programming when you are trying to use a predefined data type in a way that is not allowed by the ABAP language syntax.
  Cause:
  This error usually arises when you attempt to declare a variable or a data object using a predefined type without the correct syntax. In ABAP, predefined types (like i for integer, c for character, etc.) must be referenced correctly using the TYPE keyword when declaring data types for variables.
  Example of the Error:
  DATA: my_variable TYPE i.  " This is correct
  DATA: my_variable TYPE i(10).  " This will cause FL044
  In the second line, the attempt to specify a length for the integer type is incorrect, leading to the FL044 error.
  Solution:
  To resolve this error, ensure that you are using the correct syntax for declaring your variables. Here are some guidelines:
  
  
  Use the TYPE keyword correctly: When declaring a variable, use the TYPE keyword followed by the predefined type without any additional specifications that are not allowed.
  DATA: my_variable TYPE i.  " Correct usage
  
  
  Avoid specifying lengths for predefined types: If you need to specify lengths or other attributes, consider using a more appropriate data type or structure.
  
  
  Check for typos: Ensure that there are no typographical errors in your data type declarations.
  
  
  Refer to the ABAP documentation: If you are unsure about the correct usage of a specific type, refer to the official SAP ABAP documentation for guidance.
  
  
  Related Information:
  
  Predefined Data Types: Familiarize yourself with the list of predefined data types in ABAP, such as i, f, c, d, etc.
  ABAP Data Dictionary: Understanding how to use the Data Dictionary can help you define more complex data structures if needed.
  ABAP Syntax Check: Use the syntax check feature in the ABAP editor (transaction SE38 or SE80) to identify and correct errors in your code before execution.
  
  By following these guidelines, you should be able to resolve the FL044 error and correctly declare your variables in ABAP.