Tmux plugin installation error

[ylogx]

TASK [common : Install Tmux Plugins] *******************************************
fatal: [localhost]: FAILED! => {
"changed": true, 
"cmd": "tmux source ~/.tmux.conf && ~/.tmux/plugins/tpm/bin/install_plugins", "delta": "0:00:00.108082", "end": "2017-11-25 14:35:35.310036", "failed": true, 
"msg": "non-zero return code", "rc": 1, "start": "2017-11-25 14:35:35.201954", 
"stderr": "unknown variable: TMUX_PLUGIN_MANAGER_PATH\nFATAL: Tmux Plugin Manager not configured in tmux.conf\nAborting.", "stderr_lines": ["unknown variable: TMUX_PLUGIN_MANAGER_PATH", "FATAL: Tmux Plugin Manager not configured in tmux.conf", "Aborting."], "stdout": "set option: prefix -> \\\nset option: mode-mouse -> on\nset option: mouse-resize-pane -> on\nset option: mouse-select-pane -> on\nset option: mouse-select-window -> on\nset option: allow-rename -> off\nset option: history-limit -> 8192\nset option: base-index -> 1\nset option: escape-time -> 0\nset option: status-bg -> black\nset option: status-fg -> white\nset option: status-left -> \"\"\nset option: status-right -> \"#[fg=green]#H\"\nset option: aggressive-resize -> off\nset option: window-status-current-bg -> red\nset option: status-right -> \"Battery: #{battery_icon} #{battery_percentage} #{battery_remain} | %a %h-%d %H:%M \"\nset option: mode-keys -> vi\nset option: @shell_mode -> vi\nset option: @plugin -> tmux-plugins/tpm\nset option: @plugin -> tmux-plugins/tmux-resurrect\nset option: @plugin -> tmux-plugins/tmux-continuum\nset option: @plugin -> tmux-plugins/tmux-copycat\nset option: @plugin -> tmux-plugins/tmux-yank\nset option: @plugin -> tmux-plugins/tmux-pain-control\nset option: @plugin -> tmux-plugins/tmux-cpu\nset option: @plugin -> tmux-plugins/tmux-battery\nset option: mode-keys -> vi", "stdout_lines": ["set option: prefix -> \\", "set option: mode-mouse -> on", "set option: mouse-resize-pane -> on", "set option: mouse-select-pane -> on", "set option: mouse-select-window -> on", "set option: allow-rename -> off", "set option: history-limit -> 8192", "set option: base-index -> 1", "set option: escape-time -> 0", "set option: status-bg -> black", "set option: status-fg -> white", "set option: status-left -> \"\"", "set option: status-right -> \"#[fg=green]#H\"", "set option: aggressive-resize -> off", "set option: window-status-current-bg -> red", "set option: status-right -> \"Battery: #{battery_icon} #{battery_percentage} #{battery_remain} | %a %h-%d %H:%M \"", "set option: mode-keys -> vi", "set option: @shell_mode -> vi", "set option: @plugin -> tmux-plugins/tpm", "set option: @plugin -> tmux-plugins/tmux-resurrect", "set option: @plugin -> tmux-plugins/tmux-continuum", "set option: @plugin -> tmux-plugins/tmux-copycat", "set option: @plugin -> tmux-plugins/tmux-yank", "set option: @plugin -> tmux-plugins/tmux-pain-control", "set option: @plugin -> tmux-plugins/tmux-cpu", "set option: @plugin -> tmux-plugins/tmux-battery", "set option: mode-keys -> vi"]}
        to retry, use: --limit @/home/chaudhary/.homesick/repos/dotfiles/playbooks/unix.retry

PLAY RECAP *********************************************************************
localhost                  : ok=18   changed=9    unreachable=0    failed=1

[ylogx]

Related (same error): #12