Package ppx_optcomp

Failed to find a solution:

no platform:
2024-01-29 14:59.07 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ppx_optcomp using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 14:59.13 [INFO] base: eliminated all possibilities in 2.46 s

2024-01-29 14:59.13 [INFO] = base =

2024-01-29 14:59.13 [INFO] Can't find all required versions.
Selected: ocaml-config.3 ocamlbuild.0.14.3 ocamlfind.1.9.6
          ppx_tools.5.0+4.03.0 ppx_optcomp&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler
- ocaml -> ocaml.4.03.1
    User requested <= 5.1.0
    ppx_core 113.33.01+4.03 requires >= 4.03.0 & < 4.05
    ppx_optcomp 113.33.00+4.03 requires >= 4.03.0 & < 4.04.0
- 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
      ...
- ppx_core -> ppx_core.113.33.01+4.03
    ppx_optcomp 113.33.00+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_optcomp -> ppx_optcomp.113.33.00+4.03
    User requested = 113.33.00+4.03