On Wed, 19 Jul 2023 at 12:41, oleg harput olegharput@gmail.com wrote:
2 is not a Lisp string or pointer. [Condition of type SIMPLE-ERROR]
al_show_native_message_box's 3rd argument should be a string but you're providing (c:foreign-enum-value 'al::messagebox-flags :error) which is a number.