# Error installing Tower

**URL:** <https://forum.ansible.com/t/error-installing-tower/26422>\
**Category:** Ansible Project\
**Created:** [January 5, 2018, 9:15am UTC](https://forum.ansible.com/t/error-installing-tower/26422 "2018-01-05T09:15:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![BERTRAND\_PINGDWENDE](https://avatars.discourse-cdn.com/v4/letter/b/258eb7/32.png) [@BERTRAND\_PINGDWENDE](https://forum.ansible.com/u/BERTRAND_PINGDWENDE)\
**Post date:** [January 5, 2018, 9:15am UTC](https://forum.ansible.com/t/error-installing-tower/26422/1 "2018-01-05T09:15:48Z")

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Hi,

i have this error when tying to install tower with external Database (PostgreSQL).

" “stdout”: “Operations to perform:\n Synchronize unmigrated apps: solo, api, staticfiles, messages, channels, django\_extensions, ui, rest\_framework, polymorphic\n Apply all migrations: sso, taggit, sessions, djcelery, sites, kombu\_transport\_django, social\_auth, contenttypes, auth, conf, main\nSynchronizing apps without migrations:\n Creating tables…\n Running deferred SQL…\n Installing custom SQL…\nRunning migrations:\n Rendering model states… DONE\n Applying main.0002\_squashed\_v300\_release…”, “stdout\_lines”: [“Operations to perform:”, " Synchronize unmigrated apps: solo, api, staticfiles, messages, channels, django\_extensions, ui, rest\_framework, polymorphic", " Apply all migrations: sso, taggit, sessions, djcelery, sites, kombu\_transport\_django, social\_auth, contenttypes, auth, conf, main", “Synchronizing apps without migrations:”, " Creating tables…“, " Running deferred SQL…”, " Installing custom SQL…“, “Running migrations:”, " Rendering model states… DONE”, " Applying main.0002\_squashed\_v300\_release…“]}  
RUNNING HANDLER [supervisor : restart supervisor] \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
RUNNING HANDLER [nginx : restart nginx] \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
to retry, use: --limit @/root/ansible-tower-setup-3.2.2/install.retry  
PLAY RECAP \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
localhost : ok=77 changed=7 unreachable=0 failed=1  
[error] Oops! An error occured while running setup.”

Thank you for help me to understand what does it mean and how can i resolve it in order to install Tower.

Best Regards,