Hi All, I have been trying to add a customer service through Ambari 2.7.0 (NOTE: that works fine with the previous versions). After selecting the service from Choose Serivces, the system tries to add a client first. But this comes back with the following error: Traceback (most recent call last): File "/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/hook.py", line 35, in <module> BeforeAnyHook().execute() File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", line 353, in execute method(env) File "/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/hook.py", line 29, in hook setup_users() File "/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/shared_initialization.py", line 50, in setup_users groups = params.user_to_groups_dict[user], KeyError: 'myuser' Error: Error: Unable to run the custom hook script ['/usr/bin/python', '/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/hook.py', 'ANY', '/var/lib/ambari-agent/data/command-3409.json', '/var/lib/ambari-agent/cache/stack-hooks/before-ANY', '/var/lib/ambari-agent/data/structured-out-3409.json', 'INFO', '/var/lib/ambari-agent/tmp', 'PROTOCOL_TLSv1_2', ''] Should myuser be part of the Service Users and Groups - see the below table: screen-shot-2018-07-19-at-45504-pm.png If so, how can I add one in there? ... View more