Package heptagon

Failed to find a solution:

no platform:
2024-12-22 22:01.25 [INFO] Solving for ocaml-base-compiler, ocaml,
                           heptagon using opam_repository_commit 11bf7359691105017f07769c875d8c7f633200fe

2024-12-22 22:01.32 [INFO] base: eliminated all possibilities in 3.01 s

2024-12-22 22:01.32 [INFO] = base =

2024-12-22 22:01.32 [INFO] Can't find all required versions.
Selected: ocaml-config.3 ocaml-options-vanilla.1
          heptagon&ocaml&ocaml-base-compiler ocaml-variants
          ocaml-base-compiler ocaml-base-compiler
- heptagon -> (problem)
    User requested = 1.00.06
    No usable implementations:
      heptagon.1.05.00: Rejected by user-specified constraint heptagon (= 1.00.06)
      heptagon.1.04.00: Rejected by user-specified constraint heptagon (= 1.00.06)
      heptagon.1.03.04: Rejected by user-specified constraint heptagon (= 1.00.06)
      heptagon.1.03.03: Rejected by user-specified constraint heptagon (= 1.00.06)
      heptagon.1.03.02: Rejected by user-specified constraint heptagon (= 1.00.06)
      ...
- ocaml -> ocaml.5.1.1
    User requested <= 5.1.1
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0~rc1
    User requested >= 4.04.1
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0~rc1 requires = 5.3.0~rc1
    Rejected candidates:
      ocaml-compiler.5.3.0~rc1: Requires ocaml = 5.3.0
      ocaml-compiler.5.3.0~beta2: Incompatible with restriction: = 5.3.0~rc1
      ocaml-compiler.5.3.0~beta1: Incompatible with restriction: = 5.3.0~rc1
      ocaml-compiler.5.3.0~alpha1: Incompatible with restriction: = 5.3.0~rc1
      ocaml-compiler.5.3: Incompatible with restriction: = 5.3.0~rc1
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~rc1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~beta2+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~beta1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...