Package variantslib

Failed to find a solution:

no platform:
2024-01-29 15:08.59 [INFO] Solving for ocaml-base-compiler, ocaml,
                           variantslib using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:09.05 [INFO] base: eliminated all possibilities in 2.63 s

2024-01-29 15:09.05 [INFO] = base =

2024-01-29 15:09.05 [INFO] Can't find all required versions.
Selected: camlp4.4.14+1 ocaml-config.3 ocamlbuild.0.14.3 ocamlfind.1.9.6
          variantslib&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler
- ocaml -> ocaml.4.14.2
    User requested <= 5.1.0
    camlp4 4.14+1 requires >= 4.14 & < 4.15
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.1.1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.1~rc1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.0: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc3: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc2: Requires ocaml = 5.1.0
      ...
- type_conv -> (problem)
    variantslib 109.10.00 requires = 109.10.00
    Rejected candidates:
      type_conv.113.00.02: Incompatible with restriction: = 109.10.00
      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
      ...
- variantslib -> variantslib.109.10.00
    User requested = 109.10.00