Package message-switch

Failed to find a solution:

no platform:
2024-01-29 14:56.09 [INFO] Solving for ocaml-base-compiler, ocaml,
                           message-switch using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 14:56.14 [INFO] base: eliminated all possibilities in 2.95 s

2024-01-29 14:56.14 [INFO] = base =

2024-01-29 14:56.14 [INFO] Can't find all required versions.
Selected: angstrom.0.16.0 async.v0.16.0 async_kernel.v0.16.0
          async_rpc_kernel.v0.16.0 async_unix.v0.16.0 base.v0.16.3
          base-bigarray.base base-bytes.base base-domains.base base-nnp.base
          base-threads.base base-unix.base base64.3.5.1
          base_bigstring.v0.16.0 base_quickcheck.v0.16.0 bigstringaf.0.9.1
          bin_prot.v0.16.0 cmdliner.1.2.0 conf-libssl.4 conf-pkg-config.3
          core.v0.16.2 core_kernel.v0.16.0 core_unix.v0.16.0 cppo.1.6.9
          csexp.1.5.2 dune.3.13.0 dune-configurator.3.13.0
          expect_test_helpers_core.v0.16.0 fieldslib.v0.16.0 int_repr.v0.16.0
          jane-street-headers.v0.16.0 jst-config.v0.16.0 lwt.5.7.0 num.1.5
          ocaml-compiler-libs.v0.12.4 ocaml-config.3 ocaml-options-vanilla.1
          ocaml-syntax-shims.1.0.0 ocaml_intrinsics.v0.16.0 ocamlbuild.0.14.3
          ocamlfind.1.9.6 ocplib-endian.1.2 ounit.2.2.7 ounit2.2.2.7
          parsexp.v0.16.0 ppx_assert.v0.16.0 ppx_base.v0.16.0
          ppx_bench.v0.16.0 ppx_bin_prot.v0.16.0 ppx_cold.v0.16.0
          ppx_compare.v0.16.0 ppx_custom_printf.v0.16.0 ppx_derivers.1.2.1
          ppx_deriving_rpc.9.0.0 ppx_disable_unused_warnings.v0.16.0
          ppx_enumerate.v0.16.0 ppx_expect.v0.16.0 ppx_fields_conv.v0.16.0
          ppx_fixed_literal.v0.16.0 ppx_globalize.v0.16.0 ppx_hash.v0.16.0
          ppx_here.v0.16.0 ppx_ignore_instrumentation.v0.16.0
          ppx_inline_test.v0.16.1 ppx_jane.v0.16.0 ppx_let.v0.16.0
          ppx_log.v0.16.0 ppx_module_timer.v0.16.0 ppx_optcomp.v0.16.0
          ppx_optional.v0.16.0 ppx_pipebang.v0.16.0 ppx_sexp_conv.v0.16.0
          ppx_sexp_message.v0.16.0 ppx_sexp_value.v0.16.0 ppx_stable.v0.16.0
          ppx_stable_witness.v0.16.0 ppx_string.v0.16.0 ppx_tydi.v0.16.0
          ppx_typerep_conv.v0.16.0 ppx_variants_conv.v0.16.0 ppxlib.0.31.0
          protocol_version_header.v0.16.0 re.1.11.0 result.1.5 rpc.9.0.0
          rpclib.9.0.0 rpclib-lwt.9.0.0 rresult.0.7.0 seq.base
          sexp_pretty.v0.16.0 sexplib.v0.16.0 sexplib0.v0.16.0 spawn.v0.15.1
          splittable_random.v0.16.0 ssl.0.7.0 stdio.v0.16.0
          stdlib-shims.0.3.0 stringext.1.6.0 syslog.2.0.2 textutils.v0.16.0
          textutils_kernel.v0.16.0 time_now.v0.16.0 timezone.v0.16.0
          topkg.1.0.7 typerep.v0.16.0 uri.4.4.0 uutf.1.0.3
          variantslib.v0.16.0 xmlm.1.4.0 yojson.2.1.2
          message-switch&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml base-domains ocaml ocaml-base-compiler
- cohttp -> (problem)
    message-switch 0.10.5.1 requires >= 0.15.0 & < 0.19.0
    Rejected candidates:
      cohttp.6.0.0~beta2: Incompatible with restriction: >= 0.15.0 & < 0.19.0
      cohttp.6.0.0~alpha2: Incompatible with restriction: >= 0.15.0 & < 0.19.0
      cohttp.6.0.0~alpha1: Incompatible with restriction: >= 0.15.0 & < 0.19.0
      cohttp.6.0.0~alpha0: Incompatible with restriction: >= 0.15.0 & < 0.19.0
      cohttp.5.3.1: Incompatible with restriction: >= 0.15.0 & < 0.19.0
      ...
- message-switch -> message-switch.0.10.5.1
    User requested = 0.10.5.1
- ocaml -> ocaml.5.1.0
    User requested <= 5.1.0
- ocaml-base-compiler -> ocaml-base-compiler.5.1.0
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.0~ & < 5.1.1~