Package ojs-base

Failed to find a solution:

no platform:
2024-01-29 15:10.22 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ojs-base using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:10.28 [INFO] base: eliminated all possibilities in 2.99 s

2024-01-29 15:10.28 [INFO] = base =

2024-01-29 15:10.28 [INFO] Can't find all required versions.
Selected: angstrom.0.16.0 astring.0.8.5 base.v0.16.3 base-bigarray.base
          base-bytes.base base-domains.base base-nnp.base base-threads.base
          base-unix.base base64.3.5.1 bigstringaf.0.9.1 cohttp.6.0.0~beta2
          conduit.6.2.1 cppo.1.6.9 csexp.1.5.2 domain-name.0.4.0 dune.3.13.0
          dune-configurator.3.13.0 http.6.0.0~beta2 ipaddr.5.5.0
          ipaddr-sexp.5.5.0 logs.0.7.0 lwt.5.7.0 macaddr.5.5.0 num.1.5
          ocaml-compiler-libs.v0.12.4 ocaml-config.3 ocaml-options-vanilla.1
          ocaml-syntax-shims.1.0.0 ocamlbuild.0.14.3 ocamlfind.1.9.6
          ocplib-endian.1.2 parsexp.v0.16.0 ppx_derivers.1.2.1
          ppx_sexp_conv.v0.16.0 ppxlib.0.31.0 re.1.11.0 seq.base
          sexplib.v0.16.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 stringext.1.6.0
          topkg.1.0.7 uri.4.4.0 uri-sexp.4.4.0 websocket.2.16 yojson.2.1.2
          ojs-base&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml base-domains ocaml ocaml-base-compiler
- js_of_ocaml -> (problem)
    bigstringaf 0.9.1 requires not(< 3.5.0)
    ojs-base 0.1.0 requires >= 2.4.0 & < 3.0
    Rejected candidates:
      js_of_ocaml.5.6.0: Incompatible with restriction: >= 2.4.0 & < 3.0
      js_of_ocaml.5.5.2: Incompatible with restriction: >= 2.4.0 & < 3.0
      js_of_ocaml.5.4.0: Incompatible with restriction: >= 2.4.0 & < 3.0
      js_of_ocaml.5.3.0: Incompatible with restriction: >= 2.4.0 & < 3.0
      js_of_ocaml.5.2.0: Incompatible with restriction: >= 2.4.0 & < 3.0
      ...
- ocaml -> ocaml.5.1.0
    User requested <= 5.1.0
- ocaml-base-compiler -> ocaml-base-compiler.5.1.0
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.0~ & < 5.1.1~
- ojs-base -> ojs-base.0.1.0
    User requested = 0.1.0
- ppx_deriving_yojson -> (problem)
    ojs-base 0.1.0 requires >= 1.1 & < 2.0
    Rejected candidates:
      ppx_deriving_yojson.3.7.0: Incompatible with restriction: >= 1.1 & < 2.0
      ppx_deriving_yojson.3.6.1: Incompatible with restriction: >= 1.1 & < 2.0
      ppx_deriving_yojson.3.6.0: Incompatible with restriction: >= 1.1 & < 2.0
      ppx_deriving_yojson.3.5.3: Incompatible with restriction: >= 1.1 & < 2.0
      ppx_deriving_yojson.3.5.2: Incompatible with restriction: >= 1.1 & < 2.0
      ...