Package merlin

Failed to find a solution:

no platform:
2024-01-29 15:06.44 [INFO] Solving for ocaml-base-compiler, ocaml,
                           merlin using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:06.50 [INFO] base: eliminated all possibilities in 2.82 s

2024-01-29 15:06.50 [INFO] = base =

2024-01-29 15:06.50 [INFO] Can't find all required versions.
Selected: base-ocamlbuild.base base-unix.base biniou.1.0.13 conf-which.1
          cppo.1.6.5 easy-format.1.2.0 jbuilder.transition menhir.20140422
          ocaml-config.3 ocamlfind.1.9.6 merlin&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler
- dune -> (problem)
    Rejected candidates:
      dune.3.13.0: Requires merlin not(< 3.4.0)
      dune.3.12.2: Requires merlin not(< 3.4.0)
      dune.3.12.1: Requires merlin not(< 3.4.0)
      dune.3.11.1: Requires merlin not(< 3.4.0)
      dune.3.11.0: Requires merlin not(< 3.4.0)
      ...
- merlin -> merlin.1.3.1-trunk
    User requested = 1.3.1-trunk
- ocaml -> ocaml.4.01.0
    User requested <= 5.1.0
    base-ocamlbuild base requires >= 3.10 & < 4.03
    merlin 1.3.1-trunk requires > 4.00.1 & < 4.02.0
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.1.1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.1~rc1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.0: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc3: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc2: Requires ocaml = 5.1.0
      ...
- ocamlbuild -> ocamlbuild.0
    menhir 20140422 requires < 0.9.1
- yojson -> yojson.1.3.3
    merlin 1.3.1-trunk requires < 2.0.0