Package merlin

Failed to find a solution:

no platform:
2024-05-29 15:01.41 [INFO] Solving for ocaml-base-compiler, ocaml,
                           merlin using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3

2024-05-29 15:01.48 [INFO] base: eliminated all possibilities in 3.00 s

2024-05-29 15:01.48 [INFO] = base =

2024-05-29 15:01.48 [INFO] Can't find all required versions.
Selected: base-threads.base base-unix.base biniou.1.2.2 camlp-streams.5.0.1
          cppo.1.6.9 dune.2.7.1 easy-format.1.3.2 ocaml-config.3
          ocaml-secondary-compiler.4.08.1-1 ocamlfind.1.9.6
          ocamlfind-secondary.1.9.6 merlin&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler ocaml&ocamlfind-secondary
- merlin -> merlin.2.5.1
    User requested = 2.5.1
- ocaml -> ocaml.4.03.1
    User requested <= 5.1.1
    easy-format 1.3.2 requires >= 4.02.3 & < 5.0
    merlin 2.5.1 requires >= 4.02.1 & < 4.04
- 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
      ...
- yojson -> yojson.1.7.0
    merlin 2.5.1 requires < 2.0.0