Package stk_xml

Failed to find a solution:

no platform:
2025-07-01 21:45.56 [INFO] Solving for ocaml-base-compiler, ocaml,
                           stk_xml using opam_repository_commit 84d2c8f5caa2f07e0c67088f2a260a7eb0b4ab99

2025-07-01 21:45.57 [INFO] base: eliminated all possibilities in 0.18 s

2025-07-01 21:45.57 [INFO] = base =

2025-07-01 21:45.57 [INFO] Can't find all required versions.
Selected: angstrom.0.16.1 base-bytes.base base-threads.base base-unix.base
          base64.3.5.1 bigstringaf.0.10.0 conf-libpcre.2 conf-pkg-config.4
          cppo.1.8.0 csexp.1.5.2 dune.3.19.1 dune-build-info.3.19.1
          dune-configurator.3.19.1 fmt.0.10.0 gen.1.1 iri.1.1.0 jsonm.1.0.2
          ldp.0.5.0 logs.0.8.0 lwt.5.9.1 lwt_ppx.5.9.1 menhir.20240715
          menhirCST.20240715 menhirLib.20240715 menhirSdk.20240715
          ocaml-compiler-libs.v0.12.4 ocaml-config.3 ocaml-options-vanilla.1
          ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8
          ocf.0.9.0 ocf_ppx.0.9.0 ocplib-endian.1.2 pcre.8.0.4 ppx_blob.0.9.0
          ppx_derivers.1.2.1 ppx_sexp_conv.v0.16.0 ptime.1.2.0 rdf.1.1.0
          rdf_ppx.1.1.0 re.1.12.0 sedlex.3.6 seq.base stdlib-shims.0.3.0
          stk_rdf.0.5.0 stringext.1.6.0 topkg.1.0.8 uri.4.4.0 uri-sexp.4.4.0
          uucp.16.0.0 uuidm.0.9.10 uunf.16.0.0 uutf.1.0.4 xmlm.1.4.0
          xtmpl.1.1.0 stk_xml&ocaml&ocaml-base-compiler ocaml-variants
          ocaml-base-compiler ocaml&base-bytes ocaml-base-compiler
- base -> base.v0.16.4
    ppx_sexp_conv v0.16.0 requires >= v0.16 & < v0.17
- cohttp -> cohttp.5.3.1
    cohttp-lwt 5.3.0 requires >= 5.3.0 & <= 5.3.1
- cohttp-lwt -> cohttp-lwt.5.3.0
    ldp 0.5.0 requires < 6
- ocaml -> ocaml.5.0.0
    User requested <= 5.0.0
- ocaml-base-compiler -> ocaml-base-compiler.5.4.0~alpha1
    User requested >= 4.04.1
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.4.0~alpha1 requires = 5.4.0~alpha1
    Rejected candidates:
      ocaml-compiler.5.5: Incompatible with restriction: = 5.4.0~alpha1
      ocaml-compiler.5.4.0~alpha1: Requires ocaml = 5.4.0
      ocaml-compiler.5.4: Incompatible with restriction: = 5.4.0~alpha1
      ocaml-compiler.5.3.0: Incompatible with restriction: = 5.4.0~alpha1
      ocaml-compiler.5.3.0~rc1: Incompatible with restriction: = 5.4.0~alpha1
      ...
- 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.5.4.0~alpha1+options: 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
      ...
- ppxlib -> ppxlib.0.35.0
    lwt_ppx 5.9.1 requires >= 0.16.0 & < 0.36
- sexplib0 -> sexplib0.v0.16.0
    base v0.16.4 requires >= v0.16 & < v0.17
- stk -> (problem)
    stk_rdf 0.5.0 requires = 0.5.0
    Rejected candidates:
      stk.0.5.0: Requires ocaml >= 5.2.0
      stk.0.4.0: Requires ocaml >= 5.2.0
      stk.0.3.0: Requires ocaml >= 5.2.0
      stk.0.2.0: Requires ocaml >= 5.2.0
      stk.0.1.0: Incompatible with restriction: = 0.5.0
- stk_xml -> stk_xml.0.5.0
    User requested = 0.5.0
- yojson -> yojson.2.2.2
    ocf 0.9.0 requires >= 1.7.0 & < 3