hi all , i tried installing odoo 12 using this link https://www.getopenerp.com/install-odoo-12-on-ubuntu-18-04/ , after installing when i try to start odoo iam getting this error 

*error* :

2020-06-01 13:42:28,369 13926 ERROR odoo odoo.modules.loading: Some modules are not loaded, some dependencies or manifest may be missing: ['account', 'account_bank_statement_import', 'account_facturx', 'account_tax_python', 'analytic', 'attachment_indexation', 'calendar_sms', 'crm_sms', 'guna_lyra', 'gunalan_demo', 'hr_expense', 'hr_fleet', 'hr_holidays_attendance', 'hr_recruitment', 'hr_timesheet', 'iap', 'l10n_in', 'l10n_in_sale', 'l10n_in_sale_stock', 'l10n_in_stock', 'om_hr_payroll', 'partner_autocomplete', 'payment', 'payment_transfer', 'procurement_jit', 'product', 'project_timesheet_holidays', 'sale', 'sale_crm', 'sale_expense', 'sale_management', 'sale_stock', 'sale_timesheet', 'sms', 'snailmail', 'snailmail_account', 'stock', 'stock_account', 'stock_sms', 'transfers', 'website_crm_sms', 'website_hr_recruitment', 'website_sms'] 

2020-06-01 13:42:28,626 13926 INFO odoo odoo.modules.loading: Modules loaded. 

2020-06-01 13:42:28,631 13926 INFO odoo odoo.addons.base.models.ir_http: Generating routing map 

2020-06-01 13:42:28,692 13926 ERROR odoo odoo.sql_db: bad query: SELECT "res_lang"."id" as "id","res_lang"."time_format" as "time_format","res_lang"."name" as "name","res_lang"."decimal_point" as "decimal_point","res_lang"."direction" as "direction","res_lang"."active" as "active","res_lang"."write_date" as "write_date","res_lang"."date_format" as "date_format","res_lang"."thousands_sep" as "thousands_sep","res_lang"."write_uid" as "write_uid","res_lang"."translatable" as "translatable","res_lang"."iso_code" as "iso_code","res_lang"."create_date" as "create_date","res_lang"."create_uid" as "create_uid","res_lang"."grouping" as "grouping","res_lang"."code" as "code","res_lang"."week_start" as "week_start" FROM "res_lang" WHERE "res_lang".id IN (1)

ERROR: column res_lang.translatable does not exist

LINE 1: ...usands_sep","res_lang"."write_uid" as "write_uid","res_lang"...

                                                             ^

2020-06-01 13:42:28,694 13926 INFO odoo werkzeug: 127.0.0.1 - - [01/Jun/2020 13:42:28] "GET / HTTP/1.1" 500 - 25 0.014 0.593

2020-06-01 13:42:28,700 13926 ERROR odoo werkzeug: Error on request:

Traceback (most recent call last):

  File "/usr/local/lib/python3.6/dist-packages/werkzeug/serving.py", line 270, in run_wsgi

    execute(self.server.app)

  File "/usr/local/lib/python3.6/dist-packages/werkzeug/serving.py", line 258, in execute

    application_iter = app(environ, start_response)

  File "/opt/odoo/odoo/odoo/service/server.py", line 434, in app

    return self.app(e, s)

  File "/opt/odoo/odoo/odoo/service/wsgi_server.py", line 142, in application

    return application_unproxied(environ, start_response)

  File "/opt/odoo/odoo/odoo/service/wsgi_server.py", line 117, in application_unproxied

    result = odoo.http.root(environ, start_response)

  File "/opt/odoo/odoo/odoo/http.py", line 1320, in __call__

    return self.dispatch(environ, start_response)

  File "/opt/odoo/odoo/odoo/http.py", line 1293, in __call__

    return self.app(environ, start_wrapped)