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 3.44 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 bigarray-compat.1.1.0
          camlp4.4.02.0-1modular-implicits conf-which.1 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 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 ocplib-endian.1.1 result.1.5 seq.0.3.1
          topkg.1.0.0 type_conv.113.00.02 xmlm.1.3.0
          rpc&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler system-mingw system-mingw|system-msvc
          ocaml&ocamlfind-secondary ocaml-syntax-shims
- 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
      ...
- ocaml -> ocaml.4.02.3
    User requested <= 5.1.1
    base-ocamlbuild base requires >= 3.10 & < 4.03
    rpc 1.5.1 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
      ...
- rpc -> rpc.1.5.1
    User requested = 1.5.1
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied