Package ocsigenserver

Failed to find a solution:

no platform:
2024-01-29 15:07.48 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ocsigenserver using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:09.37 [INFO] base: eliminated all possibilities in 2.66 s

2024-01-29 15:09.37 [INFO] = base =

2024-01-29 15:09.37 [INFO] Can't find all required versions.
Selected: base.v0.14.0 base-threads.base base-unix.base camlp4.4.07+system
          conf-dbm.1.0.0 conf-gmp.4 conf-gmp-powm-sec.3 conf-libpcre.1
          conf-libssl.4 conf-pkg-config.3 conf-zlib.1 cryptokit.1.16.1
          csexp.1.5.2 dbm.1.3 dune.3.13.0 dune-configurator.3.13.0
          ocaml-config.3 ocaml-secondary-compiler.4.08.1-1 ocamlfind.1.9.6
          ocamlfind-secondary.1.9.6 pcre.7.4.1 zarith.1.13
          ocsigenserver&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml&ocamlfind-secondary
- lwt -> (problem)
    ocsigenserver 2.1 requires >= 2.4.0 & < 2.4.7
    Rejected candidates:
      lwt.5.7.0: Requires ocaml >= 4.08
      lwt.5.6.1: Requires ocaml >= 4.08 & < 5.1
      lwt.5.6.0: Requires ocaml >= 4.08 & < 5.1
      lwt.5.5.0: Incompatible with restriction: >= 2.4.0 & < 2.4.7
      lwt.5.4.2: Incompatible with restriction: >= 2.4.0 & < 2.4.7
      ...
- ocaml -> ocaml.4.07.2
    User requested <= 5.1.0
    base v0.14.0 requires >= 4.07.0 & < 4.12
    camlp4 4.07+system requires >= 4.07 & < 4.08
- 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
      ...
- ocamlnet -> (problem)
    ocsigenserver 2.1 requires = 3.6.0
    Rejected candidates:
      ocamlnet.4.1.9-2: Incompatible with restriction: = 3.6.0
      ocamlnet.4.1.9-1: Incompatible with restriction: = 3.6.0
      ocamlnet.4.1.9: Incompatible with restriction: = 3.6.0
      ocamlnet.4.1.8: Incompatible with restriction: = 3.6.0
      ocamlnet.4.1.7: Incompatible with restriction: = 3.6.0
      ...
- ocsigenserver -> ocsigenserver.2.1
    User requested = 2.1
- react -> (problem)
    ocsigenserver 2.1 requires < 1.0.0
    Rejected candidates:
      react.1.2.2: Incompatible with restriction: < 1.0.0
      react.1.2.1: Incompatible with restriction: < 1.0.0
      react.1.2.0: Incompatible with restriction: < 1.0.0
      react.1.1.0: Incompatible with restriction: < 1.0.0
      react.1.0.1: Incompatible with restriction: < 1.0.0
      ...
- sexplib0 -> sexplib0.v0.14.0
    base v0.14.0 requires >= v0.14 & < v0.15
- ssl -> ssl.0.5.7
    ocsigenserver 2.1 requires < 0.5.8
- tyxml -> tyxml.2.2.0
    ocsigenserver 2.1 requires < 3.2