Package opam-client

Failed to find a solution:

no platform:
2024-01-29 15:01.37 [INFO] Solving for ocaml-base-compiler, ocaml,
                           opam-client using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:01.43 [INFO] base: eliminated all possibilities in 2.38 s

2024-01-29 15:01.43 [INFO] = base =

2024-01-29 15:01.43 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base cmdliner.1.2.0 cppo.1.6.9
          cudf.0.10 extlib.1.7.9 jbuilder.transition mccs.1.1+17
          ocaml-config.3 ocaml-options-vanilla.1 ocamlbuild.0.14.3
          ocamlfind.1.9.6 ocamlgraph.2.1.0 re.1.11.0 seq.base
          stdlib-shims.0.3.0 opam-client&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler ocaml base-domains dune
          extlib-compat extlib ocaml-base-compiler
- dose3 -> dose3.5.0.1-2
    opam-solver 2.0.0~rc requires >= 5 & < 6.0
- dune -> (problem)
    cppo 1.6.9 requires >= 1.10
    cudf 0.10 requires >= 2.0
    Rejected candidates:
      dune.3.13.0: Requires jbuilder not(= transition)
      dune.3.12.2: Requires jbuilder not(= transition)
      dune.3.12.1: Requires jbuilder not(= transition)
      dune.3.11.1: Requires jbuilder not(= transition)
      dune.3.11.0: Requires jbuilder not(= transition)
      ...
- extlib-compat -> (problem)
    Rejected candidates:
      extlib-compat.1.7.2: Requires ocaml < 4.07.0
      extlib-compat.1.7.0: Requires ocaml < 4.05.0
      extlib-compat.1.6.1: Requires ocaml < 4.05.0
- ocaml -> ocaml.5.1.0
    User requested <= 5.1.0
- ocaml-base-compiler -> ocaml-base-compiler.5.1.0
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.0~ & < 5.1.1~
- opam-client -> opam-client.2.0.0~rc
    User requested = 2.0.0~rc
- opam-core -> (problem)
    opam-format 2.0.0~rc requires = 2.0.0~rc
    Rejected candidates:
      opam-core.2.2.0~beta1: Incompatible with restriction: = 2.0.0~rc
      opam-core.2.2.0~alpha3: Incompatible with restriction: = 2.0.0~rc
      opam-core.2.2.0~alpha2: Incompatible with restriction: = 2.0.0~rc
      opam-core.2.2.0~alpha: Incompatible with restriction: = 2.0.0~rc
      opam-core.2.1.5: Incompatible with restriction: = 2.0.0~rc
      ...
- opam-file-format -> opam-file-format.2.1.0
    opam-format 2.0.0~rc requires >= 2.0.0~beta5 & < 2.1.1
- opam-format -> opam-format.2.0.0~rc
    opam-repository 2.0.0~rc requires = 2.0.0~rc
- opam-repository -> opam-repository.2.0.0~rc
    opam-state 2.0.0~rc requires = 2.0.0~rc
- opam-solver -> opam-solver.2.0.0~rc
    opam-client 2.0.0~rc requires = 2.0.0~rc
- opam-state -> opam-state.2.0.0~rc
    opam-client 2.0.0~rc requires = 2.0.0~rc