Package fpath-sexp0

Failed to find a solution:

no platform:
2025-03-07 02:51.40 [INFO] Solving for ocaml-base-compiler, ocaml,
                           fpath-sexp0 using opam_repository_commit 8707d628f2beb80e7f60b89d60c33bdf2ffd9026

2025-03-07 02:52.12 [INFO] base: eliminated all possibilities in 0.43 s

2025-03-07 02:52.12 [INFO] = base =

2025-03-07 02:52.12 [INFO] Can't find all required versions.
Selected: astring.0.8.5 base-bigarray.base base-domains.base
          base-effects.base base-nnp.base base-threads.base base-unix.base
          dune.3.17.2 fpath.0.7.3 ocaml-compiler.5.3.0
          ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8
          sexplib0.v0.17.0 topkg.1.0.7 fpath-sexp0&ocaml&ocaml-base-compiler
          ocaml system-mingw system-mingw|system-msvc&winpthreads ocaml
          base-domains ocaml-variants ocaml-base-compiler
- fpath-sexp0 -> fpath-sexp0.0.2.2
    User requested = 0.2.2
- ocaml -> (problem)
    User requested <= 5.0.0
    astring 0.8.5 requires >= 4.05.0
    fpath-sexp0 0.2.2 requires >= 5.2
    Rejected candidates:
      ocaml.5.0.0: Incompatible with restriction: >= 5.2
      ocaml.4.14.3: Incompatible with restriction: >= 5.2
      ocaml.4.14.2: Incompatible with restriction: >= 5.2
      ocaml.4.14.1: Incompatible with restriction: >= 5.2
      ocaml.4.14.0: Incompatible with restriction: >= 5.2
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested >= 4.04.1
- 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
      ...
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied