Package rpc

Failed to find a solution:

no platform:
2024-09-12 08:13.38 [INFO] Solving for ocaml-base-compiler, ocaml,
                           rpc using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:13.46 [INFO] base: eliminated all possibilities in 3.56 s

2024-09-12 08:13.46 [INFO] = base =

2024-09-12 08:13.46 [INFO] Can't find all required versions.
Selected: base-bytes.base base-ocamlbuild.base base-threads.base
          base-unix.base biniou.1.2.2 camlp-streams.5.0.1
          camlp4.4.02.0-1modular-implicits cmdliner.0.9.8 conf-which.1
          cppo.1.7.0 cppo_ocamlbuild.1.7.0 dune.3.16.0 easy-format.1.3.2
          host-arch-x86_64.1 ocaml-config.3 ocaml-secondary-compiler.4.14.2
          ocamlfind.1.9.6 ocamlfind-secondary.1.9.6 result.1.5 topkg.1.0.0
          type_conv.113.00.02 uchar.0.0.2 xmlm.1.3.0
          rpc&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler system-mingw system-mingw|system-msvc
          ocaml&ocamlfind-secondary base-no-ppx base-no-ppx
- base-no-ppx -> (problem)
    Rejected candidates:
      base-no-ppx.base: Requires ocaml < 4.02.0
- base64 -> base64.2.3.0
    js_of_ocaml 2.8.4 requires >= 2.0.0 & < 3.0.0
- js_of_ocaml -> js_of_ocaml.2.8.4
    rpc 1.5.0 requires < 3.0
- lwt -> lwt.3.0.0
    js_of_ocaml 2.8.4 requires >= 2.4.4 & < 4.0.0
- menhir -> menhir.20200211
    js_of_ocaml 2.8.4 requires < 20200525
- menhirLib -> menhirLib.20200211
    menhir 20200211 requires = 20200211
- menhirSdk -> menhirSdk.20200211
    menhir 20200211 requires = 20200211
- ocaml -> ocaml.4.02.3
    User requested <= 5.1.1
    base-ocamlbuild base requires >= 3.10 & < 4.03
    rpc 1.5.0 requires <= 4.02.3
- 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-variants -> (problem)
    camlp4 4.02.0-1modular-implicits requires = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.3.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.1+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.0+statmemprof: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.0+options: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ...
- ocamlbuild -> ocamlbuild.0
    lwt 3.0.0 requires not(= 0.9.0)
- rpc -> rpc.1.5.0
    User requested = 1.5.0
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied
- yojson -> yojson.1.7.0
    js_of_ocaml 2.8.4 requires < 2.0.0