Package starterkit

Failed to find a solution:

no platform:
2025-05-16 17:16.46 [INFO] Solving for ocaml-base-compiler,
                           starterkit, constraints ocaml-base-compiler<=5.3.0,
                           starterkit=1.0.0 using opam_repository_commit cf409d95af00ff822422bd76b657ed213b661401

2025-05-16 17:16.48 [INFO] base: eliminated all possibilities in 0.58 s

2025-05-16 17:16.48 [INFO] = base =

2025-05-16 17:16.48 [INFO] Can't find all required versions.
Selected: base-bytes.base base-threads.base base-unix.base
          camlp-streams.5.0.1 cmdliner.1.3.0 cppo.1.8.0 csexp.1.5.2
          dot-merlin-reader.5.4.1-503 dune.3.18.2 dune-configurator.3.18.2
          lwt.5.9.1 lwt_log.1.1.2 lwt_react.1.2.0 merlin.5.4.1-503
          oasis.0.4.11 ocaml.5.5.0 ocaml-config.3 ocaml-index.5.4.1-503
          ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8
          ocamlify.0.1.0 ocp-indent.1.8.1 ocp-index.1.3.7 ocplib-endian.1.2
          re.1.12.0 react.1.2.2 seq.base stringext.1.6.0 topkg.1.0.8
          yojson.2.2.2 starterkit&ocaml-base-compiler ocaml-variants
          ocaml-base-compiler ocaml-base-compiler
- camomile -> camomile.1.0.1
    lambda-term 1.13 requires >= 0.8.6 & < 2.0.0
- jbuilder -> (problem)
    dune 3.18.2 requires not(= transition)
    Rejected candidates:
      jbuilder.transition: Incompatible with restriction: not(= transition)
      jbuilder.1.0+beta20.2: Requires ocaml >= 4.02.3 & < 5.0
      jbuilder.1.0+beta20.1: Requires ocaml >= 4.02.3 & < 5.0
- lambda-term -> lambda-term.1.13
    starterkit 1.0.0 requires < 2.0
- merlin-lib -> (problem)
    dot-merlin-reader 5.4.1-503 requires = 5.4.1-503
    Rejected candidates:
      merlin-lib.5.4.1-503: Requires ocaml >= 5.3 & < 5.4
      merlin-lib.5.4-503: Incompatible with restriction: = 5.4.1-503
      merlin-lib.5.3-502: Incompatible with restriction: = 5.4.1-503
      merlin-lib.5.3~5.3preview: Incompatible with restriction: = 5.4.1-503
      merlin-lib.5.2.1-502: Incompatible with restriction: = 5.4.1-503
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested <= 5.3.0
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0 requires = 5.3.0
    Rejected candidates:
      ocaml-compiler.5.5: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.4: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0: Requires ocaml = 5.3.0
      ocaml-compiler.5.3.0~rc1: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~beta2: Incompatible with restriction: = 5.3.0
      ...
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.5.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.1+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+BER: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- ocamlmod -> (problem)
    Rejected candidates:
      ocamlmod.0.0.9: Requires ocaml < 5.0
      ocamlmod.0.0.8: Requires ocaml < 5.0
- starterkit -> starterkit.1.0.0
    User requested = 1.0.0
- utop -> (problem)
    Rejected candidates:
      utop.2.15.0-1: Requires lambda-term >= 3.1.0 & < 4.0
      utop.2.15.0: Requires lambda-term >= 3.1.0 & < 4.0
      utop.2.14.0: Requires ocaml >= 4.11.0 & < 5.3
      utop.2.13.1: Requires ocaml >= 4.11.0 & < 5.2
      utop.2.13.0: Requires ocaml >= 4.11.0 & < 5.2
      ...
- zed -> zed.1.6
    lambda-term 1.13 requires >= 1.2 & < 2.0