If you'd like, I can offer a suggestion to help you understand the
problem. You could try installing Archicad 29 TR on your own computer
and see if the folder is installed successfully.
I think this will be very difficult for you to understand, so I will
repeat it to make it clearer. First of all, there is no such problem in
the English version; the problematic version is the Turkish (TR)
version. You keep asking about the plugin, a...
The add-ons folder cannot be created. If you wish, you can perform a
test installation of Archicad and check if the add-ons folder exists;
this will help you understand the problem. Notes: Archicad version 29,
the Turkish version.