Package merlin

Failed to find a solution:

no platform:
2025-01-11 18:27.42 [INFO] Solving for ocaml-base-compiler, ocaml,
                           merlin using opam_repository_commit 84f0fe59c54c014ec00b31a1f0699ac6371b3498

2025-01-11 18:30.08 [INFO] base: eliminated all possibilities in 1.08 s

2025-01-11 18:30.08 [INFO] = base =

2025-01-11 18:30.08 [INFO] Can't find all required versions.
Selected: base-threads.base base-unix.base dune.3.17.1 ocaml-config.3
          ocaml-options-vanilla.1 seq.base yojson.2.2.2
          merlin&ocaml&ocaml-base-compiler ocaml ocaml-variants
          ocaml-base-compiler ocaml-base-compiler
- dot-merlin-reader -> (problem)
    merlin 5.4-503 requires = 5.4-503
    Rejected candidates:
      dot-merlin-reader.5.4-503: Requires ocaml >= 5.2
      dot-merlin-reader.5.3-502: Requires ocaml >= 5.2
      dot-merlin-reader.5.3~5.3preview: Requires ocaml >= 5.3 & < 5.4
      dot-merlin-reader.5.2.1-502: Requires ocaml >= 5.2
      dot-merlin-reader.5.1: Incompatible with restriction: = 5.4-503
      ...
- merlin -> merlin.5.4-503
    User requested = 5.4-503
- merlin-lib -> (problem)
    merlin 5.4-503 requires = 5.4-503
    Rejected candidates:
      merlin-lib.5.4-503: Requires ocaml >= 5.3 & < 5.4
      merlin-lib.5.3-502: Incompatible with restriction: = 5.4-503
      merlin-lib.5.3~5.3preview: Incompatible with restriction: = 5.4-503
      merlin-lib.5.2.1-502: Incompatible with restriction: = 5.4-503
      merlin-lib.5.1-502: Incompatible with restriction: = 5.4-503
      ...
- 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-index -> (problem)
    merlin 5.4-503 requires = 5.4-503
    Rejected candidates:
      ocaml-index.5.4-503: Requires ocaml >= 5.3
      ocaml-index.1.1: Incompatible with restriction: = 5.4-503
      ocaml-index.1.0: Incompatible with restriction: = 5.4-503
- 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
      ...