Update not possible

[sohnkarlsruhe]

get this error.. what can i do?

pi@raspberrypi:~ $ sudo npm install -g git+https://github.com/luisiam/homebridge-liftmaster2.git
npm ERR! code 128
npm ERR! Command failed: /usr/bin/git clone --depth=1 -q -b master https://github.com/luisiam/homebridge-liftmaster2.git /root/.npm/_cacache/tmp/git-clone-46588516
npm ERR! fatal: Konnte f�hrende Verzeichnisse von '/root/.npm/_cacache/tmp/git-clone-46588516' nicht erstellen.: Keine Berechtigung
npm ERR!

npm ERR! A complete log of this run can be found in:
npm ERR! /root/.npm/_logs/2017-08-20T09_45_02_925Z-debug.log
pi@raspberrypi:~ $

[luisiam]

Try npm remove first?

[jagpreetbatth]

GETTING SIMILAR??
because of error: xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

[iRayanKhan]

Get Xcode command line tools (Close this)