error: 'isolate-workers' is set to true, but not compiled with seccomp or Linux namespaces support

Depends: libgnutlsxx28 (= 3.3.8-6~bpo70+1) but it is not going to be installed Depends: nettle-dev (>= 2.5) but it is not going to be installed Depends: libtasn1-6-dev (>= 3.9) but it is not going to be installedDepends: libp11-kit-dev (>= 0.20.7) but it is not going to be installed E: Unable to correct problems, you have held broken packages.

nothing

> Local Npm module "grunt-contrib-clean" not found. Is it installed? >> Local Npm module "grunt-contrib-compress" not found. Is it installed? "> >> Local Npm module "grunt-autoprefixer" not found. Is it installed? >> Local Npm module "grunt-contrib-clean" not found. Is it installed? >> Local Npm module "grunt-contrib-compress" not found. Is it installed?

xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun