Package protobuf

Failed to find a solution:

no platform:
2024-09-12 08:16.14 [INFO] Solving for ocaml-base-compiler, ocaml,
                           protobuf using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:16.22 [INFO] base: eliminated all possibilities in 3.91 s

2024-09-12 08:16.22 [INFO] = base =

2024-09-12 08:16.22 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base bitstring.4.1.0 dune.3.16.0
          host-arch-x86_64.1 ocaml-config.3 ocaml-options-vanilla.1
          ocamlfind.1.9.6 stdlib-shims.0.3.0
          protobuf&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler system-mingw ocaml base-domains ocaml
          ocaml-base-compiler
- core -> (problem)
    protobuf 1.0.0 requires <= 111.13.00
    Rejected candidates:
      core.v0.17.1: Incompatible with restriction: <= 111.13.00
      core.v0.17.0: Incompatible with restriction: <= 111.13.00
      core.v0.16.2: Incompatible with restriction: <= 111.13.00
      core.v0.16.1: Incompatible with restriction: <= 111.13.00
      core.v0.16.0: Requires ocaml >= 4.14.0 & < 5.1~
      ...
- ocaml -> ocaml.5.1.1
    User requested <= 5.1.1
- ocaml-base-compiler -> ocaml-base-compiler.5.1.1
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.1~ & < 5.1.2~
- protobuf -> protobuf.1.0.0
    User requested = 1.0.0
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied