i have this problem while installing erpnext : Traceback (most recent call last):
File “install.py”, line 437, in
install_bench(args)
File “install.py”, line 241, in install_bench
run_playbook(‘site.yml’, sudo=True, extra_vars=extra_vars)
File “install.py”, line 362, in run_playbook
success = subprocess.check_call(args, cwd=os.path.join(cwd, ‘playbooks’), stdout=log_stream, stderr=sys.stderr)
File “/usr/lib/python2.7/subprocess.py”, line 190, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command ‘[‘ansible-playbook’, ‘-c’, ‘local’, ‘site.yml’, ‘-vvvv’, ‘-e’, ‘@/tmp/extra_vars.json’, ‘–become’, ‘–become-user=achref’]’ returned non-zero exit status 2
any solution?