I managed to install in julia 1.5.4 CoolProp.jl: (@v1.5) pkg> add C:\Users\hermesr\Documents\GitHub\CoolProp.jl Cloning git-repo `C:\Users\hermesr\Documents\GitHub\CoolProp.jl` Updating git-repo `C:\Users\hermesr\Documents\GitHub\CoolProp.jl` Updating registry at `C:\Users\hermesr\.julia\…

[image] HerAdri: How to process? What am I doing wrong? This looks like the same issue you have in Julia 1.6.0 add Package OhMyREPL .

CoolProp installation in Julia 1.6.0

kristoffer.carlsson March 30, 2021, 8:52am 2

This looks like the same issue you have in Julia 1.6.0 add Package OhMyREPL.

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