Package opam-doc

Failed to find a solution:

no platform:
2024-09-12 08:04.06 [INFO] Solving for ocaml-base-compiler, ocaml,
                           opam-doc using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:04.13 [INFO] base: eliminated all possibilities in 2.93 s

2024-09-12 08:04.13 [INFO] = base =

2024-09-12 08:04.13 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-bytes.backport base-ocamlbuild.base
          base-threads.base base-unix.base camlp4.4.02.0-1modular-implicits
          conf-time.1 conf-which.1 cppo.1.6.5 dune.3.16.0 dyntype.0.9.0
          ezjsonm.1.0.0 hex.1.3.0 jsonm.1.0.1 ocaml-config.3 ocamlbuild.0
          ocamlfind.1.9.6 ocplib-endian.1.0 omd.1.3.1 re.1.7.1 result.1.5
          stringext.1.4.3 topkg.1.0.0 uchar.0.0.2 ulex.1.2 uri.1.9.1
          uutf.1.0.2 xmlm.1.2.0 opam-doc&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler
- cow -> cow.1.4.0
    opam-doc 0.9.0 requires >= 0.8.1 & < 2.0.0
- cstruct -> cstruct.1.9.0
    hex 1.3.0 requires >= 1.7.0 & < 5.0.0
- jbuilder -> (problem)
    cppo 1.6.5 requires >= 1.0+beta17
    dune 3.16.0 requires not(= transition)
    Rejected candidates:
      jbuilder.transition: Incompatible with restriction: not(= transition)
      jbuilder.1.0+beta20.2: Requires ocaml >= 4.02.3 & < 5.0
      jbuilder.1.0+beta20.1: Requires ocaml >= 4.02.3 & < 5.0
      jbuilder.1.0+beta20: Requires ocaml >= 4.02.3 & < 4.08.0
      jbuilder.1.0+beta19.1: Requires ocaml >= 4.02.3 & < 4.08.0
      ...
- ocaml -> ocaml.4.01.0
    User requested <= 5.1.1
    base-bytes backport requires < 4.02.0
- 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
      ...
- ocaml-system -> (problem)
    No usable implementations:
      ocaml-system.5.2.0: Availability condition not satisfied
      ocaml-system.5.1.1: Availability condition not satisfied
      ocaml-system.5.1.0: Availability condition not satisfied
      ocaml-system.5.0.0: Availability condition not satisfied
      ocaml-system.4.14.2: Availability condition not satisfied
      ...
- ocaml-variants -> (problem)
    camlp4 4.02.0-1modular-implicits requires = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.3.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.1+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.0+statmemprof: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.0+options: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ...
- opam-doc -> opam-doc.0.9.0
    User requested = 0.9.0
- sexplib -> sexplib.111.25.00
    uri 1.9.1 requires >= 109.53.00 & < 113.01.00
- type_conv -> type_conv.111.13.00
    sexplib 111.25.00 requires not(> 111.13.00)
- ocaml|ocaml&ocamlfind-secondary -> (problem)
    Rejected candidates:
      ocaml: Requires ocaml >= 4.08
      ocaml&ocamlfind-secondary: Requires ocaml >= 4.02 & < 4.08~~