[FIXED] Cant bench update (Yarn)

sudo bench update
npm WARN deprecated yarn@1.3.2: It is recommended to install Yarn using the native installation method for your environment. See https://yarnpkg.com/en/docs/install
npm WARN checkPermissions Missing write access to /usr/lib/node_modules/yarn
npm WARN checkPermissions Missing write access to /usr/lib/node_modules
npm ERR! path /usr/lib/node_modules/yarn
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access
npm ERR! Error: EACCES: permission denied, access ‘/usr/lib/node_modules/yarn’
npm ERR! at Error (native)
npm ERR! { Error: EACCES: permission denied, access ‘/usr/lib/node_modules/yarn’
npm ERR! at Error (native)
npm ERR! stack: ‘Error: EACCES: permission denied, access ‘/usr/lib/node_modules/yarn’\n at Error (native)’,
npm ERR! errno: -13,
npm ERR! code: ‘EACCES’,
npm ERR! syscall: ‘access’,
npm ERR! path: ‘/usr/lib/node_modules/yarn’ }
npm ERR!
npm ERR! Please try running this command again as root/Administrator.

npm ERR! A complete log of this run can be found in:
npm ERR! /home/frappe/.npm/_logs/2018-02-19T13_46_10_308Z-debug.log
Traceback (most recent call last):
File “/usr/local/bin/bench”, line 11, in
load_entry_point(‘bench’, ‘console_scripts’, ‘bench’)()
File “/home/frappe/.bench/bench/cli.py”, line 40, in cli
bench_command()
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 722, in call
return self.main(*args, **kwargs)
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 697, in main
rv = self.invoke(ctx)
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 895, in invoke
return ctx.invoke(self.callback, **ctx.params)
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 535, in invoke
return callback(*args, **kwargs)
File “/home/frappe/.bench/bench/commands/update.py”, line 30, in update
patches.run(bench_path=’.’)
File “/home/frappe/.bench/bench/patches/init.py”, line 21, in run
result = execute(bench_path)
File “/home/frappe/.bench/bench/patches/v4/install_yarn.py”, line 4, in execute
subprocess.check_output([‘npm’, ‘install’, ‘-g’, ‘yarn’])
File “/usr/lib/python2.7/subprocess.py”, line 574, in check_output
raise CalledProcessError(retcode, cmd, output=output)
subprocess.CalledProcessError: Command ‘[‘npm’, ‘install’, ‘-g’, ‘yarn’]’ returned non-zero exit status 243

Please try these commands:

cd ~/.bench
git pull
cd ~/frappe-bench
bench update

This has already been raised and fixed here: [FIXED] Yarn error on bench update