Package ppx_meta_conv

Failed to find a solution:

no platform:
2024-01-29 14:56.38 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ppx_meta_conv using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 14:56.44 [INFO] base: eliminated all possibilities in 2.67 s

2024-01-29 14:56.44 [INFO] = base =

2024-01-29 14:56.44 [INFO] Can't find all required versions.
Selected: base-ocamlbuild.base base-threads.base base-unix.base cppo.1.6.9
          cppo_ocamlbuild.1.6.9 dune.3.13.0 ocaml-config.3
          ocaml-secondary-compiler.4.08.1-1 ocamlbuild.0 ocamlfind.1.9.6
          ocamlfind-secondary.1.9.6 ppx_tools.5.0+4.02.0 ppxx.1.0.0
          spotlib.3.1.2 ppx_meta_conv&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler ocaml&ocamlfind-secondary
- ocaml -> ocaml.4.02.4
    User requested <= 5.1.0
    base-ocamlbuild base requires >= 3.10 & < 4.03
- 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
      ...
- omake -> omake.0.9.8.7
    ppx_meta_conv 2.3.0 requires < 0.10.1
- ppx_deriving -> ppx_deriving.3.3
    ppx_meta_conv 2.3.0 requires >= 3.0 & < 4.0
- ppx_meta_conv -> ppx_meta_conv.2.3.0
    User requested = 2.3.0
- ppx_test -> (problem)
    spotlib 3.1.2 requires >= 1.4.1 & < 1.6.0
    Rejected candidates:
      ppx_test.1.8.0: Requires ppxx >= 2.5.0
      ppx_test.1.7.0: Requires ppxx >= 2.4.0 & < 2.5.0
      ppx_test.1.6.0: Requires ocaml >= 4.03.0
      ppx_test.1.5.2: Requires ocaml >= 4.03.0
      ppx_test.1.5.0: Requires ocaml >= 4.03.0
      ...