Same answer as Neos Server - #2 by odow. Please update to Julia v1.6. If it still errors after that, then please post the output of import Pkg; Pkg.status(), and the result of using Cbc.
Same answer as Neos Server - #2 by odow. Please update to Julia v1.6. If it still errors after that, then please post the output of import Pkg; Pkg.status(), and the result of using Cbc.