Package ppx_json_types

Failed to find a solution:

no platform:
2024-01-29 15:02.11 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ppx_json_types using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:02.17 [INFO] base: eliminated all possibilities in 2.84 s

2024-01-29 15:02.17 [INFO] = base =

2024-01-29 15:02.17 [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.1.6.9
          dune.3.13.0 dune-configurator.2.6.2 lwt.5.5.0 mmap.1.2.0
          oasis.0.4.11 ocaml-config.3 ocaml-secondary-compiler.4.08.1-1
          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.2.1.2
          ppx_json_types&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler 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.3.13.0: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.12.2: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.12.1: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.11.1: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.11.0: 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 <= 5.1.0
    base-ocamlbuild base requires >= 3.10 & < 4.03
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.1.1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.1~rc1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.0: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc3: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc2: Requires ocaml = 5.1.0
      ...
- 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.3.7.0: 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_deriving_yojson.3.5.3: Requires ocaml >= 4.04.0
      ppx_deriving_yojson.3.5.2: Requires ocaml >= 4.04.0 & < 4.11.0
      ...
- 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.v0.16.0: 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
      ppx_sexp_conv.v0.14.2: Requires ocaml >= 4.04.2
      ...
- sexplib0 -> (problem)
    Rejected candidates:
      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
      sexplib0.v0.13.0: Requires ocaml >= 4.04.2 & < 5.0
      ...
- 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