Package riak

Failed to find a solution:

no platform:
2025-02-04 13:29.57 [INFO] Solving for ocaml-base-compiler, ocaml,
                           riak using opam_repository_commit f872de4b7a2f4b7ccc24dfe491575cabe8c9fabe

2025-02-04 13:31.23 [INFO] base: eliminated all possibilities in 1.39 s

2025-02-04 13:31.23 [INFO] = base =

2025-02-04 13:31.23 [INFO] Can't find all required versions.
Selected: base-bytes.base base-threads.base base-unix.base base64.3.5.1
          cppo.1.8.0 csexp.1.5.2 dune.3.17.2 dune-configurator.3.17.2
          easy-format.1.3.4 lwt.5.9.0 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.15.0 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-variants ocaml-base-compiler ocaml ocaml-base-compiler
- ocaml -> ocaml.5.1.1
    User requested <= 5.1.1
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested >= 4.04.1
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0 requires = 5.3.0
    Rejected candidates:
      ocaml-compiler.5.3.0: Requires ocaml = 5.3.0
      ocaml-compiler.5.3.0~rc1: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~beta2: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~beta1: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~alpha1: Incompatible with restriction: = 5.3.0
      ...
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.1+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~rc1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~beta2+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- 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.3.3: Incompatible with restriction: >= 2.0 & < 3.0
      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
      ...