Package riak

Failed to find a solution:

no platform:
2024-01-29 14:46.42 [INFO] Solving for ocaml-base-compiler, ocaml,
                           riak using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 14:46.48 [INFO] base: eliminated all possibilities in 2.76 s

2024-01-29 14:46.48 [INFO] = base =

2024-01-29 14:46.48 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-bytes.base base-domains.base base-nnp.base
          base-threads.base base-unix.base base64.3.5.1 cppo.1.6.9
          csexp.1.5.2 dune.3.13.0 dune-configurator.3.13.0 easy-format.1.3.4
          lwt.5.7.0 ocaml-config.3 ocaml-options-vanilla.1 ocamlbuild.0.14.3
          ocamlfind.1.9.6 ocplib-endian.1.2 ounit.2.2.7 ounit2.2.2.7
          piqi.0.7.8 piqilib.0.6.16 seq.base stdlib-shims.0.3.0 topkg.1.0.7
          xmlm.1.4.0 riak&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml base-domains ocaml ocaml-base-compiler
- 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~
- riak -> riak.1.0.0
    User requested = 1.0.0
- riak-pb -> (problem)
    Rejected candidates:
      riak-pb.1.0.0: Requires piqi < 0.7.0
- sedlex -> (problem)
    piqilib 0.6.16 requires >= 2.0 & < 3.0
    Rejected candidates:
      sedlex.3.2: Incompatible with restriction: >= 2.0 & < 3.0
      sedlex.3.1: Incompatible with restriction: >= 2.0 & < 3.0
      sedlex.3.0: Incompatible with restriction: >= 2.0 & < 3.0
      sedlex.2.6: Requires ocaml >= 4.08 & < 5.0
      sedlex.2.5: Requires ocaml >= 4.04 & < 5.0
      ...