Package riak-pb

Failed to find a solution:

no platform:
2024-11-26 14:08.45 [INFO] Solving for ocaml-base-compiler, ocaml,
                           riak-pb using opam_repository_commit 3d52b66b04788999a23f22f0d59c2dfc831c4f32

2024-11-26 14:08.47 [INFO] base: eliminated all possibilities in 0.85 s

2024-11-26 14:08.47 [INFO] = base =

2024-11-26 14:08.47 [INFO] Can't find all required versions.
Selected: base-threads.base base-unix.base dune.3.16.1 easy-format.1.3.4
          ocaml-config.3 ocaml-options-vanilla.1 ocamlbuild.0.15.0
          ocamlfind.1.9.6 topkg.1.0.7 xmlm.1.4.0
          riak-pb&ocaml&ocaml-base-compiler ocaml-variants
          ocaml-base-compiler ocaml ocaml-base-compiler
- camlp4 -> (problem)
    piqi 0.6.5 requires < 4.02
    Rejected candidates:
      camlp4.5.2: Requires ocaml >= 5.2 & < 5.3
      camlp4.5.1: Requires ocaml >= 5.1 & < 5.2
      camlp4.5.0: Incompatible with restriction: < 4.02
      camlp4.4.14+1: Requires ocaml >= 4.14 & < 4.15
      camlp4.4.13+system: Requires ocaml >= 4.13 & < 4.14
      ...
- ocaml -> ocaml.5.0.0
    User requested <= 5.0.0
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0~beta1
    User requested >= 4.04.1
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0~beta1 requires = 5.3.0~beta1
    Rejected candidates:
      ocaml-compiler.5.3.0~beta1: Requires ocaml = 5.3.0
      ocaml-compiler.5.3.0~alpha1: Incompatible with restriction: = 5.3.0~beta1
      ocaml-compiler.5.3: Incompatible with restriction: = 5.3.0~beta1
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~beta1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~alpha1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.2.2+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- piqi -> piqi.0.6.5
    riak-pb 1.0.0 requires < 0.7.0
- riak-pb -> riak-pb.1.0.0
    User requested = 1.0.0
- ulex -> (problem)
    Rejected candidates:
      ulex.1.2: Requires ocaml < 5.0
      ulex.1.1: Requires ocaml < 4.06.0