Package ojs-base

Failed to find a solution:

no platform:
2024-09-12 08:27.24 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ojs-base using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:27.31 [INFO] base: eliminated all possibilities in 3.28 s

2024-09-12 08:27.31 [INFO] = base =

2024-09-12 08:27.31 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-bytes.base base-domains.base base-nnp.base
          base-threads.base base-unix.base conf-gmp.4 conf-gmp-powm-sec.3
          conf-libssl.4 conf-pkg-config.3 conf-zlib.1 cppo.1.7.0
          cryptokit.1.20 csexp.1.5.2 dune.3.16.0 dune-configurator.3.16.0
          host-arch-x86_64.1 lwt.5.7.0 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.15.0 ocamlfind.1.9.6 ocplib-endian.1.2 ssl.0.7.0
          zarith.1.14 ojs-base&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler system-mingw ocaml base-domains ocaml
          ocaml-base-compiler
- cohttp -> (problem)
    websocket 0.8.1 requires >= 0.10.0 & < 0.12.0
    Rejected candidates:
      cohttp.6.0.0~beta2: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      cohttp.6.0.0~alpha2: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      cohttp.6.0.0~alpha1: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      cohttp.6.0.0~alpha0: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      cohttp.5.3.1: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      ...
- js_of_ocaml -> (problem)
    ojs-base 0.2.0 requires >= 2.4.0 & < 3.0
    Rejected candidates:
      js_of_ocaml.5.8.2: Incompatible with restriction: >= 2.4.0 & < 3.0
      js_of_ocaml.5.8.1: Incompatible with restriction: >= 2.4.0 & < 3.0
      js_of_ocaml.5.7.2: Incompatible with restriction: >= 2.4.0 & < 3.0
      js_of_ocaml.5.7.1: Incompatible with restriction: >= 2.4.0 & < 3.0
      js_of_ocaml.5.7.0: Incompatible with restriction: >= 2.4.0 & < 3.0
      ...
- ocaml -> ocaml.5.1.1
    User requested <= 5.1.1
- ocaml-base-compiler -> ocaml-base-compiler.5.1.1
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.1~ & < 5.1.2~
- ojs-base -> ojs-base.0.2.0
    User requested = 0.2.0
- optcomp -> (problem)
    Rejected candidates:
      optcomp.1.6: Requires ocaml >= 3.12 & < 4.06.0
      optcomp.1.5: Requires ocaml >= 3.12 & < 4.06.0
      optcomp.1.4: Requires ocaml < 4.06.0
- ppx_deriving_yojson -> (problem)
    ojs-base 0.2.0 requires = 2.0
    Rejected candidates:
      ppx_deriving_yojson.3.9.0: Incompatible with restriction: = 2.0
      ppx_deriving_yojson.3.8.0: Incompatible with restriction: = 2.0
      ppx_deriving_yojson.3.7.0: Incompatible with restriction: = 2.0
      ppx_deriving_yojson.3.6.1: Incompatible with restriction: = 2.0
      ppx_deriving_yojson.3.6.0: Incompatible with restriction: = 2.0
      ...
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied
- websocket -> websocket.0.8.1
    ojs-base 0.2.0 requires = 0.8.1
- yojson -> (problem)
    ojs-base 0.2.0 requires = 1.1.8
    Rejected candidates:
      yojson.2.2.2: Incompatible with restriction: = 1.1.8
      yojson.2.2.1: Incompatible with restriction: = 1.1.8
      yojson.2.2.0: Incompatible with restriction: = 1.1.8
      yojson.2.1.2: Incompatible with restriction: = 1.1.8
      yojson.2.1.1: Incompatible with restriction: = 1.1.8
      ...