Installation issues

[ishaanmht]

Hello

I am trying to run your code with Julia 1.4. But I get the following error when instantiating scripts. I would be grateful if you could provide support.

'''
Installed LAME_jll ───────────────────── v3.100.0+1
Building GR ───────────────→ ~/.julia/packages/GR/cRdXQ/deps/build.log
Building Plots ────────────→ ~/.julia/packages/Plots/zOV0T/deps/build.log
┌ Error: Pkg.Resolve.ResolverError("Unsatisfiable requirements detected for package FFMPEG_jll [b22a6f82]:\n FFMPEG_jll [b22a6f82] log:\n ├─possible versions are: [4.1.0, 4.3.1, 4.4.0, 4.4.2, 4.4.4, 6.1.1] or uninstalled\n ├─restricted to versions 4.1.0 by an explicit requirement, leaving only versions 4.1.0\n └─restricted by compatibility requirements with OpenSSL_jll [458c3c95] to versions: uninstalled — no versions left\n └─OpenSSL_jll [458c3c95] log:\n ├─possible versions are: [1.1.1, 1.1.10, 1.1.13-1.1.14, 1.1.16-1.1.17, 1.1.19-1.1.23, 3.0.8-3.0.13] or uninstalled\n └─restricted to versions 1.1.1 by an explicit requirement, leaving only versions 1.1.1", nothing)
└ @ Pkg.Operations /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/Pkg/src/Operations.jl:1365
Downloading artifact: EarCut
Building MCTS ─────────────→ ~/.julia/packages/MCTS/eX6AJ/deps/build.log
┌ Error: Pkg.Resolve.ResolverError("Unsatisfiable requirements detected for package MCTS [e12ccd36]:\n MCTS [e12ccd36] log:\n ├─possible versions are: [0.4.4-0.4.7, 0.5.0-0.5.5] or uninstalled\n └─restricted to versions 0.4.2 by an explicit requirement — no versions left", nothing)
└ @ Pkg.Operations /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/Pkg/src/Operations.jl:1365
ERROR: Unsatisfiable requirements detected for package POMDPs [a93abf59]:
POMDPs [a93abf59] log:
├─possible versions are: [0.7.0-0.7.3, 0.8.0-0.8.4, 0.9.0-0.9.6] or uninstalled
├─restricted to versions 0.7.3-0.8 by an explicit requirement, leaving only versions [0.7.3, 0.8.0-0.8.4]
└─restricted by compatibility requirements with MCTS [e12ccd36] to versions: 0.9.0-0.9.6 — no versions left
└─MCTS [e12ccd36] log:
├─possible versions are: [0.4.4-0.4.7, 0.5.0-0.5.5] or uninstalled
└─restricted to versions * by an explicit requirement, leaving only versions [0.4.4-0.4.7, 0.5.0-0.5.5]
'''