Package atdgen

Failed to find a solution:

no platform:
2024-09-12 08:15.34 [INFO] Solving for ocaml-base-compiler, ocaml,
                           atdgen using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:15.41 [INFO] base: eliminated all possibilities in 3.27 s

2024-09-12 08:15.41 [INFO] = base =

2024-09-12 08:15.41 [INFO] Can't find all required versions.
Selected: base-ocamlbuild.base base-unix.base biniou.1.0.13 conf-which.1
          cppo.1.6.5 easy-format.1.2.0 jbuilder.transition ocaml-config.3
          ocamlfind.1.9.6 yojson.1.3.3 atdgen&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler
- atd -> atd.1.12.0
    atdgen 1.2.3 requires >= 1.0.2 & < 1.13.0
- atdgen -> atdgen.1.2.3
    User requested = 1.2.3
- dune -> (problem)
    Rejected candidates:
      dune.3.16.0: Requires jbuilder not(= transition)
      dune.3.15.3: Requires jbuilder not(= transition)
      dune.3.15.2: Requires jbuilder not(= transition)
      dune.3.15.0: Requires jbuilder not(= transition)
      dune.3.14.2: Requires jbuilder not(= transition)
      ...
- menhir -> menhir.20140422
    atd 1.12.0 requires < 20211215
- ocaml -> ocaml.4.01.0
    User requested <= 5.1.1
    atd 1.12.0 requires < 5.0
    atdgen 1.2.3 requires < 4.02.0
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.2.0: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~rc1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta2: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~alpha1: Requires ocaml = 5.2.0
      ...
- ocamlbuild -> ocamlbuild.0
    menhir 20140422 requires < 0.9.1