Package mbr-format

Failed to find a solution:

no platform:
2024-01-29 14:45.44 [INFO] Solving for ocaml-base-compiler, ocaml,
                           mbr-format using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 14:45.50 [INFO] base: eliminated all possibilities in 3.04 s

2024-01-29 14:45.50 [INFO] = base =

2024-01-29 14:45.50 [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 camlp4.4.02.0-1modular-implicits
          cmdliner.1.2.0 conf-time.1 conf-which.1 cppo.1.6.9
          domain-name.0.4.0 dune.3.13.0 ipaddr.5.5.0 macaddr.5.5.0
          ocaml-config.3 ocaml-options-vanilla.1 ocamlbuild.0.14.3
          ocamlfind.1.9.6 ocplib-endian.1.2 ounit.2.2.7 ounit2.2.2.7
          re.1.11.0 seq.base stdlib-shims.0.3.0 type_conv.113.00.02
          mbr-format&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml base-domains ocaml ocaml-base-compiler
- cstruct -> cstruct.1.7.1
    mbr-format 0.3 requires >= 1.0.1 & < 2.0.0
- io-page -> (problem)
    Rejected candidates:
      io-page.3.0.0: Requires cstruct >= 2.0.0
      io-page.2.4.0: Requires cstruct >= 2.0.0
      io-page.2.3.0: Requires cstruct >= 2.0.0
      io-page.2.2.0: Requires cstruct >= 2.0.0
      io-page.2.1.0: Requires cstruct >= 2.0.0
      ...
- lwt -> (problem)
    mbr-format 0.3 requires < 3.0.0
    Rejected candidates:
      lwt.5.7.0: Incompatible with restriction: < 3.0.0
      lwt.5.6.1: Requires ocaml >= 4.08 & < 5.1
      lwt.5.6.0: Requires ocaml >= 4.08 & < 5.1
      lwt.5.5.0: Requires ocaml (>= 4.02.0 | >= 4.06.0) & < 5.0
      lwt.5.4.2: Requires ocaml >= 4.02.0 & < 5.0
      ...
- mbr-format -> mbr-format.0.3
    User requested = 0.3
- mirage-types -> mirage-types.1.0.0
    mbr-format 0.3 requires < 3.0.0
- mirage-types-lwt -> (problem)
    mbr-format 0.3 requires < 3.0.0
    Rejected candidates:
      mirage-types-lwt.3.10.8: Incompatible with restriction: < 3.0.0
      mirage-types-lwt.3.10.7: Incompatible with restriction: < 3.0.0
      mirage-types-lwt.3.10.6: Incompatible with restriction: < 3.0.0
      mirage-types-lwt.3.10.5: Incompatible with restriction: < 3.0.0
      mirage-types-lwt.3.10.4: Incompatible with restriction: < 3.0.0
      ...
- 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~
- 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)
    cstruct 1.7.1 requires < 113.01.00
    Rejected candidates:
      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
      sexplib.v0.13.0: Incompatible with restriction: < 113.01.00
      ...