Package ocp-index

Failed to find a solution:

no platform:
2024-09-12 07:58.48 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ocp-index using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 07:58.55 [INFO] base: eliminated all possibilities in 3.06 s

2024-09-12 07:58.55 [INFO] = base =

2024-09-12 07:58.55 [INFO] Can't find all required versions.
Selected: base-ocamlbuild.base base-threads.base base-unix.base dune.3.16.0
          ocaml-config.3 ocamlbuild.0 ocamlfind.1.9.6 ocp-build.1.99.21
          topkg.1.0.0 ocp-index&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler seq&ocaml
- cmdliner -> cmdliner.1.0.2
    ocp-build 1.99.21 requires >= 1 & < 1.1.0
- ocaml -> ocaml.4.01.0
    User requested <= 5.1.1
    base-ocamlbuild base requires >= 3.10 & < 4.03
    ocp-index 0.3.0 requires >= 4.00.0 & < 4.02
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.2.0: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~rc1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta2: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~alpha1: Requires ocaml = 5.2.0
      ...
- ocp-index -> ocp-index.0.3.0
    User requested = 0.3.0
- re -> (problem)
    ocp-build 1.99.21 requires >= 1.7.3
    Rejected candidates:
      re.1.12.0: Requires ocaml >= 4.12
      re.1.11.0: Requires ocaml >= 4.03
      re.1.10.4: Requires ocaml >= 4.03
      re.1.10.3: Requires ocaml >= 4.02
      re.1.9.0: Requires ocaml >= 4.08
      ...
- result -> result.1.4
    cmdliner 1.0.2 requires < 1.5
- seq -> seq.0.3.1
    seq&ocaml|seq&ocaml seq&ocaml requires < base
- ocaml|ocaml&ocamlfind-secondary -> (problem)
    Rejected candidates:
      ocaml: Requires ocaml >= 4.08
      ocaml&ocamlfind-secondary: Requires ocaml >= 4.02 & < 4.08~~