Package rdbg

Failed to find a solution:

no platform:
2024-01-29 15:00.44 [INFO] Solving for ocaml-base-compiler, ocaml,
                           rdbg using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:00.49 [INFO] base: eliminated all possibilities in 2.77 s

2024-01-29 15:00.49 [INFO] = base =

2024-01-29 15:00.49 [INFO] Can't find all required versions.
Selected: base-num.base base-threads.base base-unix.base camlp-streams.5.0.1
          camlp4.4.03+system dune.3.13.0 lutils.1.54.1 num.0 oasis.0.4.11
          ocaml-config.3 ocaml-secondary-compiler.4.08.1-1 ocamlbuild.0.14.3
          ocamlfind.1.9.6 ocamlfind-secondary.1.9.6 ocamlify.0.0.1
          ocamlmod.0.0.9 ounit.2.2.7 rdbg&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler ocaml&ocamlfind-secondary
          ocaml
- ocaml -> ocaml.4.03.1
    User requested <= 5.1.0
    base-num base requires < 4.06.0
    camlp4 4.03+system requires >= 4.03 & < 4.04
- 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
      ...
- ocaml-system -> (problem)
    No usable implementations:
      ocaml-system.5.1.1: Availability condition not satisfied
      ocaml-system.5.1.0: Availability condition not satisfied
      ocaml-system.5.0.0: Availability condition not satisfied
      ocaml-system.4.14.1: Availability condition not satisfied
      ocaml-system.4.14.0: Availability condition not satisfied
      ...
- ounit2 -> (problem)
    ounit 2.2.7 requires = 2.2.7
    Rejected candidates:
      ounit2.2.2.7: Requires ocaml >= 4.04.0
      ounit2.2.2.6: Incompatible with restriction: = 2.2.7
      ounit2.2.2.5: Incompatible with restriction: = 2.2.7
      ounit2.2.2.4: Incompatible with restriction: = 2.2.7
      ounit2.2.2.3: Incompatible with restriction: = 2.2.7
      ...
- rdbg -> rdbg.1.65
    User requested = 1.65