Package ppx_json_types

Failed to find a solution:

no platform:
2024-09-12 08:18.14 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ppx_json_types using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:18.21 [INFO] base: eliminated all possibilities in 3.28 s

2024-09-12 08:18.21 [INFO] = base =

2024-09-12 08:18.21 [INFO] Can't find all required versions.
Selected: base-bytes.base base-ocamlbuild.base base-threads.base
          base-unix.base bigarray-compat.1.1.0 cohttp.6.0.0~alpha0 cppo.1.7.0
          dune.3.16.0 dune-configurator.2.6.2 host-arch-x86_64.1 lwt.5.5.0
          mmap.1.2.0 oasis.0.4.11 ocaml-config.3
          ocaml-secondary-compiler.4.14.2 ocaml-syntax-shims.1.0.0
          ocamlbuild.0 ocamlfind.1.9.6 ocamlfind-secondary.1.9.6
          ocamlify.0.0.1 ocamlmod.0.0.9 ocplib-endian.1.1 ppx_derivers.1.2.1
          ppx_deriving.4.5-1 ppx_tools.5.0+4.02.0 ppxfind.1.4 re.1.10.3
          result.1.5 seq.0.3.1 stringext.1.6.0 uri-sexp.4.4.0 yojson.2.2.2
          ppx_json_types&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler system-mingw system-mingw|system-msvc
          ocaml&ocamlfind-secondary ocaml-syntax-shims
- base64 -> (problem)
    cohttp 6.0.0~alpha0 requires >= 3.1.0
    Rejected candidates:
      base64.3.5.1: Requires ocaml >= 4.03.0
      base64.3.5.0: Requires ocaml >= 4.03.0
      base64.3.4.0: Requires ocaml >= 4.03.0
      base64.3.3.0: Requires ocaml >= 4.03.0
      base64.3.2.0: Requires ocaml >= 4.03.0
      ...
- dune-private-libs -> (problem)
    dune-configurator 2.6.2 requires = 2.6.2
    Rejected candidates:
      dune-private-libs.3.16.0: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.15.3: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.15.2: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.15.0: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.14.2: Incompatible with restriction: = 2.6.2
      ...
- http -> (problem)
    cohttp 6.0.0~alpha0 requires = 6.0.0~alpha0
    Rejected candidates:
      http.6.0.0~beta2: Incompatible with restriction: = 6.0.0~alpha0
      http.6.0.0~alpha2: Incompatible with restriction: = 6.0.0~alpha0
      http.6.0.0~alpha1: Incompatible with restriction: = 6.0.0~alpha0
      http.6.0.0~alpha0: Requires ocaml >= 4.08
- ocaml -> ocaml.4.02.4
    User requested <= 5.1.1
    base-ocamlbuild base requires >= 3.10 & < 4.03
- 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
      ...
- ocaml-migrate-parsetree -> ocaml-migrate-parsetree.1.8.0
    ppx_deriving 4.5-1 requires < 2.0.0
- ppx_deriving_yojson -> (problem)
    Rejected candidates:
      ppx_deriving_yojson.3.9.0: Requires ocaml >= 4.05.0
      ppx_deriving_yojson.3.8.0: Requires ocaml >= 4.05.0
      ppx_deriving_yojson.3.7.0: Requires ocaml >= 4.05.0
      ppx_deriving_yojson.3.6.1: Requires ocaml >= 4.05.0
      ppx_deriving_yojson.3.6.0: Requires ocaml >= 4.05.0
      ...
- ppx_json_types -> ppx_json_types.0.2
    User requested = 0.2
- ppx_sexp_conv -> (problem)
    cohttp 6.0.0~alpha0 requires >= v0.13.0
    Rejected candidates:
      ppx_sexp_conv.v0.17.0: Requires ocaml >= 5.1.0
      ppx_sexp_conv.v0.16.0: Requires ocaml >= 4.14.0
      ppx_sexp_conv.v0.15.1: Requires ocaml >= 4.08.0
      ppx_sexp_conv.v0.15.0: Requires ocaml >= 4.08.0
      ppx_sexp_conv.v0.14.3: Requires ocaml >= 4.04.2
      ...
- sexplib0 -> (problem)
    Rejected candidates:
      sexplib0.v0.17.0: Requires ocaml >= 4.14.0
      sexplib0.v0.16.0: Requires ocaml >= 4.08.0
      sexplib0.v0.15.1: Requires ocaml >= 4.08
      sexplib0.v0.15.0: Requires ocaml >= 4.04.2 & < 5.0
      sexplib0.v0.14.0: Requires ocaml >= 4.04.2 & < 5.0
      ...
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied
- uri -> (problem)
    cohttp 6.0.0~alpha0 requires >= 2.0.0
    Rejected candidates:
      uri.4.4.0: Requires ocaml >= 4.08.0
      uri.4.2.0: Requires ocaml >= 4.04.0
      uri.4.1.0: Requires ocaml >= 4.04.0
      uri.4.0.0: Requires ocaml >= 4.04.0
      uri.3.1.0: Requires ocaml >= 4.04.0
      ...
- ocaml|ocaml&base-bytes -> (problem)
    Rejected candidates:
      ocaml: Requires ocaml >= 4.08 & < 5.0
      ocaml&base-bytes: Requires ocaml >= 5.0