Package krb5

Failed to find a solution:

no platform:
2024-01-29 14:57.28 [INFO] Solving for ocaml-base-compiler, ocaml,
                           krb5 using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 14:57.34 [INFO] base: eliminated all possibilities in 2.89 s

2024-01-29 14:57.34 [INFO] = base =

2024-01-29 14:57.34 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base camlp4.4.02.0-1modular-implicits
          conf-which.1 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.14.3 ocamlfind.1.9.6 krb5&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler ocaml base-domains
          ocaml-base-compiler
- async -> (problem)
    krb5 109.38.alpha1 requires >= 109.38.00 & <= 109.53.00
    Rejected candidates:
      async.v0.16.0: Incompatible with restriction: >= 109.38.00 & <= 109.53.00
      async.v0.15.0: Incompatible with restriction: >= 109.38.00 & <= 109.53.00
      async.v0.14.0: Incompatible with restriction: >= 109.38.00 & <= 109.53.00
      async.v0.13.0: Incompatible with restriction: >= 109.38.00 & <= 109.53.00
      async.v0.12.0: Incompatible with restriction: >= 109.38.00 & <= 109.53.00
      ...
- core -> (problem)
    krb5 109.38.alpha1 requires >= 109.38.00 & <= 109.53.01
    Rejected candidates:
      core.v0.16.2: Incompatible with restriction: >= 109.38.00 & <= 109.53.01
      core.v0.16.1: Incompatible with restriction: >= 109.38.00 & <= 109.53.01
      core.v0.16.0: Requires ocaml >= 4.14.0 & < 5.1~
      core.v0.15.1: Requires ocaml >= 4.11.0 & < 5.1~
      core.v0.15.0: Requires ocaml >= 4.11.0 & < 5.1~
      ...
- krb5 -> krb5.109.38.alpha1
    User requested = 109.38.alpha1
- 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~
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.3.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.2.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.1.2+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.1.1+tsan: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.1.1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- sexplib -> (problem)
    krb5 109.38.alpha1 requires >= 109.20.00 & <= 109.53.00
    Rejected candidates:
      sexplib.v0.16.0: Incompatible with restriction: >= 109.20.00 & <= 109.53.00
      sexplib.v0.15.1: Incompatible with restriction: >= 109.20.00 & <= 109.53.00
      sexplib.v0.15.0: Incompatible with restriction: >= 109.20.00 & <= 109.53.00
      sexplib.v0.14.0: Incompatible with restriction: >= 109.20.00 & <= 109.53.00
      sexplib.v0.13.0: Incompatible with restriction: >= 109.20.00 & <= 109.53.00
      ...