Package ctypes

Failed to find a solution:

no platform:
2024-07-17 15:51.23 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ctypes using opam_repository_commit c00383f7e43c9463cb923e9ff2c5f128a6c6faa3

2024-07-17 15:52.49 [INFO] base: eliminated all possibilities in 1.29 s

2024-07-17 15:52.49 [INFO] = base =

2024-07-17 15:52.49 [INFO] Can't find all required versions.
Selected: ocaml-config.3 ocamlfind.1.9.6 ctypes&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler
- ctypes -> ctypes.0.2.3
    User requested = 0.2.3
- ocaml -> ocaml.4.02.4
    User requested <= 5.1.1
    ctypes 0.2.3 requires >= 4.00.0 & < 4.03.0
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.2.0: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~rc1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta2: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~alpha1: Requires ocaml = 5.2.0
      ...