Package ppx_test

Failed to find a solution:

no platform:
2024-05-29 14:57.30 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ppx_test using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3

2024-05-29 14:57.34 [INFO] base: eliminated all possibilities in 2.27 s

2024-05-29 14:57.34 [INFO] = base =

2024-05-29 14:57.34 [INFO] Can't find all required versions.
Selected: base-threads.base base-unix.base dune.3.15.3 ocaml-config.3
          ocaml-secondary-compiler.4.08.1-1 ocamlfind.1.9.6
          ocamlfind-secondary.1.9.6 omake.0.10.2 re.1.10.3 seq.0.3.1
          ppx_test&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml&ocamlfind-secondary
- ocaml -> ocaml.4.02.3
    User requested <= 5.1.1
    omake 0.10.2 requires >= 4.02.3 & < 4.06.0
    ppx_test 1.3.0 requires = 4.02.3
- 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
      ...
- ppx_test -> ppx_test.1.3.0
    User requested = 1.3.0
- ppxx -> (problem)
    ppx_test 1.3.0 requires >= 1.2.1
    Rejected candidates:
      ppxx.2.5.0: Requires ocaml >= 4.08.0
      ppxx.2.4.0: Requires ocaml >= 4.08.0 & < 4.12.0
      ppxx.2.3.2: Requires ocaml >= 4.07.0 & < 4.08.0
      ppxx.2.3.1: Requires ocaml >= 4.04.0 & < 4.07.0
      ppxx.2.3.0: Requires ocaml >= 4.04.0 & < 4.07.0
      ...