Package ppx_meta_conv

Failed to find a solution:

no platform:
2024-09-12 08:11.02 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ppx_meta_conv using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:11.08 [INFO] base: eliminated all possibilities in 2.66 s

2024-09-12 08:11.08 [INFO] = base =

2024-09-12 08:11.08 [INFO] Can't find all required versions.
Selected: base-threads.base base-unix.base cppo.1.7.0 cppo_ocamlbuild.1.7.0
          dune.3.16.0 host-arch-x86_64.1 ocaml-config.3
          ocaml-secondary-compiler.4.14.2 ocamlbuild.0.14.3 ocamlfind.1.9.6
          ocamlfind-secondary.1.9.6 omake.0.10.6 ppx_tools.5.0+4.03.0
          re.1.11.0 seq.0.3.1 spotlib.3.1.2
          ppx_meta_conv&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler system-mingw system-mingw|system-msvc
          ocaml&ocamlfind-secondary
- ocaml -> ocaml.4.03.0
    User requested <= 5.1.1
    ppx_deriving 3.3 requires >= 4.02.1 & < 4.05
    ppx_meta_conv 2.4.0 requires = 4.03.0
- 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
      ...
- ppx_deriving -> ppx_deriving.3.3
    ppx_meta_conv 2.4.0 requires >= 3.3 & < 4.0
- ppx_meta_conv -> ppx_meta_conv.2.4.0
    User requested = 2.4.0
- ppx_test -> ppx_test.1.5.0
    spotlib 3.1.2 requires >= 1.4.1 & < 1.6.0
- ppxx -> (problem)
    ppx_meta_conv 2.4.0 requires >= 1.3.0
    ppx_test 1.5.0 requires >= 2.0.0 & < 2.2.0
    Rejected candidates:
      ppxx.2.5.0: Incompatible with restriction: >= 2.0.0 & < 2.2.0
      ppxx.2.4.0: Incompatible with restriction: >= 2.0.0 & < 2.2.0
      ppxx.2.3.2: Incompatible with restriction: >= 2.0.0 & < 2.2.0
      ppxx.2.3.1: Incompatible with restriction: >= 2.0.0 & < 2.2.0
      ppxx.2.3.0: Incompatible with restriction: >= 2.0.0 & < 2.2.0
      ...
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied