How To Fix DO839 - Generic table type not allowed (& uses)

DO839 - Overview

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 839

• Message text: Generic table type not allowed (& uses)

What causes this issue?

INCLUDE DDDOC_GENERIC_TTYP OBJECT DOKU ID TX
You defined the table type as generic although it is already being used
in other table types as line type and/or in structures as component
type.

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?

Change the attributes of the table type so that it is no longer generic
or determine the user (other table types and structures) using the
where-used list and remove the use of the table type from the
where-used list.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DO839 - Generic table type not allowed (& uses) ?

  The SAP error message DO839, which states "Generic table type not allowed (& uses)," typically occurs when you are trying to use a generic table type in a context where it is not permitted. This can happen in various scenarios, such as when defining parameters for function modules, methods, or when working with data types in ABAP programs.
  
  Cause:
  
  Generic Table Type: The error arises because the ABAP program is attempting to use a generic table type (like TABLE OF ANY TYPE) in a situation where a specific table type is required.
  Function Module/Method Parameters: If you are passing a table parameter to a function module or method that expects a specific table type, using a generic type will trigger this error.
  Data Declaration: Declaring a variable with a generic table type in a context that requires a specific structure or type can also lead to this error.
  
  
  Solution:
  
  
  Use Specific Table Types: Instead of using