How To Fix EC433 - Program &1 has type &2 (unable to create an interface)

EC433 - Overview

• Message type: E = Error

• Message class: EC - Development environment: Menu Painter

• Message number: 433

• Message text: Program &1 has type &2 (unable to create an interface)

What causes this issue?

Creating a user interface is necessary only for reports, module pools
and function modules. It is not possible for includes and subroutine
pools.

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?

Check the program type (in the program attributes). It must be set to
'1' (report), 'M' (module pool) or 'F' (function module).
For includes, you must create the interface to the main program. With
subroutine pools, the interface belongs to the calling program.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EC433 - Program &1 has type &2 (unable to create an interface) ?

  The SAP error message EC433 indicates that there is an issue with the program or object you are trying to create or modify, specifically that it has a type that is not compatible with the creation of an interface. This error typically arises in the context of ABAP development when you are attempting to define an interface for a program or class that does not meet the necessary criteria.
  
  Cause:
  
  Incorrect Object Type: The program or object you are trying to create an interface for is not of a type that can have an interface. For example, you cannot create an interface for a report program or a function module.
  Naming Conflicts: There may be naming conflicts or issues with the naming conventions used in your program or class.
  Syntax Errors: There could be syntax errors or other issues in the code that prevent the interface from being created.
  Incompatible Attributes: The attributes of the