Package serde_json

Failed to find a solution:

no platform:
2024-04-12 10:48.55 [INFO] Solving for ocaml-base-compiler, ocaml,
                           serde_json using opam_repository_commit 03178cf5192dd1a55105844365e56a2294cd9225

2024-04-12 10:50.05 [INFO] base: eliminated all possibilities in 1.12 s

2024-04-12 10:50.05 [INFO] = base =

2024-04-12 10:50.05 [INFO] Can't find all required versions.
Selected: base.v0.16.3 base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base conf-bash.1 cppo.1.6.9 csexp.1.5.2
          cstruct.6.2.0 dune.3.15.0 dune-configurator.3.15.0 fmt.0.9.0
          jane-street-headers.v0.16.0 jst-config.v0.16.0
          ocaml-compiler-libs.v0.17.0 ocaml-options-vanilla.1
          ocamlbuild.0.14.3 ocamlfind.1.9.6 ppx_assert.v0.16.0
          ppx_base.v0.16.0 ppx_cold.v0.16.0 ppx_compare.v0.16.0
          ppx_derivers.1.2.1 ppx_enumerate.v0.16.0 ppx_globalize.v0.16.0
          ppx_hash.v0.16.0 ppx_here.v0.16.0 ppx_inline_test.v0.16.1
          ppx_optcomp.v0.16.0 ppx_sexp_conv.v0.16.0 ppxlib.0.32.1~5.2preview
          rio.0.0.8 seq.base serde.0.0.2 sexplib0.v0.16.0 stdio.v0.16.0
          stdlib-shims.0.3.0 time_now.v0.16.0 topkg.1.0.7 yojson.2.1.2
          serde_json&ocaml&ocaml-base-compiler ocaml base-domains ocaml
          ocaml-base-compiler
- ocaml -> (problem)
    User requested <= 5.1.0
    base v0.16.3 requires >= 4.14.0
    ocaml-base-compiler 5.2.0~beta1 requires = 5.2.0
    Rejected candidates:
      ocaml.5.1.0: Incompatible with restriction: = 5.2.0
      ocaml.5.0.1: Incompatible with restriction: = 5.2.0
      ocaml.5.0.0: Incompatible with restriction: = 5.2.0
      ocaml.4.14.3: Incompatible with restriction: = 5.2.0
      ocaml.4.14.2: Incompatible with restriction: = 5.2.0
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.2.0~beta1
    User requested >= 4.04.1
- serde_json -> serde_json.0.0.2
    User requested = 0.0.2