Package lablgtk

Failed to find a solution:

no platform:
2024-09-12 08:03.42 [INFO] Solving for ocaml-base-compiler, ocaml,
                           lablgtk using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:03.48 [INFO] base: eliminated all possibilities in 3.06 s

2024-09-12 08:03.48 [INFO] = base =

2024-09-12 08:03.48 [INFO] Can't find all required versions.
Selected: conf-gtk2.1 conf-pkg-config.3 ocaml-config.3 ocamlfind.1.9.6
          lablgtk&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler
- lablgtk -> lablgtk.2.18.4
    User requested = 2.18.4
- ocaml -> ocaml.4.03.1
    User requested <= 5.1.1
    lablgtk 2.18.4 requires >= 3.11.0 & < 4.04.0
- 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
      ...