Package bignum

Failed to find a solution:

no platform:
2024-05-29 15:01.51 [INFO] Solving for ocaml-base-compiler, ocaml,
                           bignum using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3

2024-05-29 15:01.58 [INFO] base: eliminated all possibilities in 3.33 s

2024-05-29 15:01.58 [INFO] = base =

2024-05-29 15:01.58 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base camlp-streams.5.0.1 camlp4.5.1
          conf-gmp.4 conf-perl.2 dune.3.15.3 ocaml-config.3
          ocaml-options-vanilla.1 ocamlbuild.0.14.3 ocamlfind.1.9.6
          bignum&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml base-domains ocaml ocaml-base-compiler
- bignum -> bignum.112.06.00
    User requested = 112.06.00
- core_kernel -> (problem)
    bignum 112.06.00 requires >= 112.06.00 & < 112.07.00
    Rejected candidates:
      core_kernel.v0.17.0: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      core_kernel.v0.16.0: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      core_kernel.v0.15.0: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      core_kernel.v0.14.2: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      core_kernel.v0.14.1: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      ...
- 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~
- typerep -> (problem)
    bignum 112.06.00 requires >= 112.06.00 & < 112.07.00
    Rejected candidates:
      typerep.v0.17.0: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      typerep.v0.16.0: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      typerep.v0.15.0: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      typerep.v0.14.0: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      typerep.v0.13.0: Incompatible with restriction: >= 112.06.00 & < 112.07.00
      ...
- zarith -> zarith.1.7-1
    bignum 112.06.00 requires < 1.9