assertion 'GI_IS_STRUCT_INFO (info)' failed

[bigos]

I am ocaml noob, so I do not know what to say here. I have the libraries installed as instructed, so I do not know what to say.

jacek@jacek-ixtreme-M5850:~/Programming/OCaml/ocaml-gtk$ dune build
File "dune", lines 9-12, characters 0-145:
9 | (rule
10 | (targets GObject-2.0.xml)
11 | (action (run g-ir-generate -o GObject-2.0.xml %{env:PREFIX=/usr/local}/girepository-1.0/GObject-2.0.typelib))
12 | )

** (g-ir-generate:32153): CRITICAL **: 00:12:12.191: g_struct_info_get_copy_function: assertion 'GI_IS_STRUCT_INFO (info)' failed
File "dune", lines 17-20, characters 0-133:
17 | (rule
18 | (targets Gtk-4.0.xml)
19 | (action (run g-ir-generate -o Gtk-4.0.xml %{env:PREFIX=/usr/local}/girepository-1.0/Gtk-4.0.typelib))
20 | )

** (g-ir-generate:32154): CRITICAL **: 00:12:12.286: g_struct_info_get_copy_function: assertion 'GI_IS_STRUCT_INFO (info)' failed