Request error on package install (Pkg.add) at my company environment

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I am using Julia (Version 1.12.1) at my company. When I tried to install the package SymbolicRegression, I was encountered by error shown below. I asked our IT team to make it possible to access…

However, after the above url got accessible, the error is not still resolved. Is there any other url to download the necessary items not clearly specified?

julia> using Pkg
julia> Pkg.add(“SymbolicRegression”)
Updating registry at C:\Users\myname\.julia\registries\General.toml
Resolving package versions…
Installing artifacts ╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 0/1
Installing artifacts ╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 0/1
ERROR: Failed to install some artifacts:
Unable to automatically download/install artifact ‘OpenSpecFun’ from sources listed in ‘C:\Users\myname.julia\packages\OpenSpecFun_jll\4QIOW\Artifacts.toml’.
Sources attempted: …

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See Official domains. Note that packages may also download things from e.g. GitHub so might have to allow that too.