I am getting following error while trying to install hyperledger composer on my ubuntu:
60822 verbose stack Error: pkcs11js@1.0.13 install: `node-gyp rebuild`
60822 verbose stack Exit status 1
60822 verbose stack at EventEmitter.<anonymous>
(/usr/share/npm/lib/utils/lifecycle.js:232:16)
60822 verbose stack at emitTwo (events.js:87:13)
60822 verbose stack at EventEmitter.emit (events.js:172:7)
60822 verbose stack at ChildProcess.<anonymous>
(/usr/share/npm/lib/utils/spawn.js:24:14)
60822 verbose stack at emitTwo (events.js:87:13)
60822 verbose stack at ChildProcess.emit (events.js:172:7)
60822 verbose stack at maybeClose (internal/child_process.js:821:16)
60822 verbose stack at Process.ChildProcess._handle.onexit
60825 error Linux 4.13.0-37-generic
60826 error argv "/usr/bin/nodejs" "/usr/bin/npm" "install" "-g" "generator-hyperledger-composer"
60827 error node v4.2.6
60828 error npm v3.5.2
60829 error code ELIFECYCLE
60830 error pkcs11js@1.0.13 install: `node-gyp rebuild`
60830 error Exit status 1
Can someone tell me what to do?