How To Fix FL014 - 'TYPE TABLE OF' / 'TYPE LINE OF' construction not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 014

• Message text: 'TYPE TABLE OF' / 'TYPE LINE OF' construction not supported

What causes this issue?

The ABAP language elements' TYPE TABLE OF' <structure name> and 'TYPE
LINE OF' <table name> are not currently supported in function module
interfaces.

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?

Use the row type of the table or create a table type for the structure
instead.

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 FL014 - 'TYPE TABLE OF' / 'TYPE LINE OF' construction not supported ?

  The SAP error message FL014, which states "'TYPE TABLE OF' / 'TYPE LINE OF' construction not supported," typically occurs in ABAP programming when you are trying to use a table type or line type in a context where it is not allowed. This error is often encountered when dealing with data declarations or when trying to use certain constructs that do not support table types.
  Cause:
  
  Inappropriate Context: The error usually arises when you attempt to use a table type in a context that only supports scalar types (like single values) or when you are trying to declare a variable of a table type in a place where it is not allowed.
  Incorrect Data Declaration: You might be trying to declare a table type or line type in a method or function module that does not support it.
  Dynamic Programming: If you are using dynamic programming techniques (like dynamic field symbols or dynamic data references), you might be trying to assign a table type incorrectly.
  
  Solution:
  
  Check Context: Ensure that you are using the table type in a context that supports it. For example, if you are declaring a variable, make sure it is in a proper data declaration section.
  Use Appropriate Types: If you need to work with a table, ensure that you are using the correct syntax and context. For example, if you need to declare a table, do it in the DATA declaration section:
  DATA: lt_table TYPE TABLE OF your_structure.
  
  Avoid Unsupported Constructs: If you are using constructs like TYPE LINE OF or TYPE TABLE OF in a method signature or in a place where it is not allowed, consider using a different approach, such as passing the table as a parameter instead of trying to define it inline.
  Check for Dynamic Usage: If you are using dynamic programming, ensure that you are correctly defining and using field symbols or data references.
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with ABAP data types and their usage. Understand the difference between scalar types and table types.
  Documentation: Refer to the official SAP documentation for ABAP programming to understand the limitations and correct usage of data types.
  Debugging: Use the ABAP debugger to trace where the error occurs and inspect the data types being used at that point in the code.
  
  By following these guidelines, you should be able to resolve the FL014 error and ensure that your ABAP code is correctly structured.