Package packet

Failed to find a solution:

no platform:
2024-05-29 14:52.09 [INFO] Solving for ocaml-base-compiler, ocaml,
                           packet using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3

2024-05-29 14:52.16 [INFO] base: eliminated all possibilities in 3.66 s

2024-05-29 14:52.16 [INFO] = base =

2024-05-29 14:52.16 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-bytes.base base-domains.base base-nnp.base
          base-threads.base base-unix.base conf-time.1 conf-which.1
          cppo.1.6.9 dune.3.15.3 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.14.3 ocamlfind.1.9.6 ocplib-endian.1.2
          packet&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml base-domains ocaml ocaml-base-compiler
- cstruct -> cstruct.1.7.1
    packet 0.3.1 requires >= 1.0.1 & < 2.0.0
- ocaml -> ocaml.5.1.1
    User requested <= 5.1.1
- ocaml-base-compiler -> ocaml-base-compiler.5.1.1
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.1~ & < 5.1.2~
- packet -> packet.0.3.1
    User requested = 0.3.1
- sexplib -> (problem)
    cstruct 1.7.1 requires < 113.01.00
    packet 0.3.1 requires >= 110.01.00 & < 113.01.00
    Rejected candidates:
      sexplib.v0.17.0: Incompatible with restriction: < 113.01.00
      sexplib.v0.16.0: Incompatible with restriction: < 113.01.00
      sexplib.v0.15.1: Incompatible with restriction: < 113.01.00
      sexplib.v0.15.0: Incompatible with restriction: < 113.01.00
      sexplib.v0.14.0: Incompatible with restriction: < 113.01.00
      ...
- type_conv -> (problem)
    Rejected candidates:
      type_conv.113.00.02: Requires ocaml >= 4.02.0 & < 5.0
      type_conv.113.00.01: Requires ocaml >= 4.02.0 & < 4.03
      type_conv.113.00.00: Requires ocaml >= 4.02.0 & < 4.03
      type_conv.112.01.02: Requires ocaml >= 4.02.0 & < 4.03
      type_conv.112.01.01: Requires ocaml >= 4.02.0 & < 4.03
      ...