Hi,

When I try to install Helpdesk app in Odoo v11 Enterprise with admin role, Odoo crashes with the following error :

"

Odoo Server Error

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 647, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 307, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "/usr/lib/python3/dist-packages/odoo/tools/pycompat.py", line 87, in reraise
    raise value
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 689, in dispatch
    result = self._call_function(**self.params)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 339, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/odoo/service/model.py", line 97, in wrapper
    return f(dbname, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 332, in checked_call
    result = self.endpoint(*a, **kw)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 933, in __call__
    return self.method(*args, **kw)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 512, in response_wrap
    response = f(*args, **kw)
  File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 934, in call_button
    action = self._call_kw(model, method, args, {})
  File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 922, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/usr/lib/python3/dist-packages/odoo/api.py", line 689, in call_kw
    return call_kw_multi(method, model, args, kwargs)
  File "/usr/lib/python3/dist-packages/odoo/api.py", line 680, in call_kw_multi
    result = method(recs, *args, **kwargs)
  File "<decorator-gen-51>", line 2, in button_immediate_install
  File "/usr/lib/python3/dist-packages/odoo/addons/base/module/module.py", line 71, in check_and_log
    return method(self, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/odoo/addons/base/module/module.py", line 448, in button_immediate_install
    return self._button_immediate_function(type(self).button_install)
  File "/usr/lib/python3/dist-packages/odoo/addons/base/module/module.py", line 541, in _button_immediate_function
    modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "/usr/lib/python3/dist-packages/odoo/modules/registry.py", line 85, in new
    odoo.modules.load_modules(registry._db, force_demo, status, update_module)
  File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 343, in load_modules
    loaded_modules, update_module)
  File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 242, in load_marked_modules
    loaded, processed = load_module_graph(cr, graph, progressdict, report=report, skip_modules=loaded_modules, perform_checks=perform_checks)
  File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 135, in load_module_graph
    registry.init_models(cr, model_names, {'module': package.name})
  File "/usr/lib/python3/dist-packages/odoo/modules/registry.py", line 306, in init_models
    model._auto_init()
  File "/usr/lib/python3/dist-packages/odoo/models.py", line 2154, in _auto_init
    new = field.update_db(self, columns)
  File "/usr/lib/python3/dist-packages/odoo/fields.py", line 1940, in update_db
    return super(Many2one, self).update_db(model, columns)
  File "/usr/lib/python3/dist-packages/odoo/fields.py", line 845, in update_db
    self.update_db_notnull(model, column)
  File "/usr/lib/python3/dist-packages/odoo/fields.py", line 885, in update_db_notnull
    model._init_column(self.name)
  File "/usr/lib/python3/dist-packages/odoo/addons/helpdesk/models/helpdesk_ticket.py", line 295, in _init_column
    super(HelpdeskTicket, self)._init_column(column_name)
  File "/usr/lib/python3/dist-packages/odoo/models.py", line 2071, in _init_column
    value = field.default(self)
  File "/usr/lib/python3/dist-packages/odoo/addons/helpdesk/models/helpdesk_ticket.py", line 65, in _default_team_id
    team_id = self.env['helpdesk.team'].search([('member_ids', 'in', self.env.uid)], limit=1).id
  File "/usr/lib/python3/dist-packages/odoo/models.py", line 1422, in search
    res = self._search(args, offset=offset, limit=limit, order=order, count=count)
  File "/usr/lib/python3/dist-packages/odoo/models.py", line 3721, in _search
    self._cr.execute(query_str, where_clause_params)
  File "/usr/lib/python3/dist-packages/odoo/sql_db.py", line 155, in wrapper
    return f(self, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/odoo/sql_db.py", line 232, in execute
    res = self._obj.execute(query, params)
psycopg2.ProgrammingError: relation "helpdesk_team" does not exist
LINE 1: SELECT "helpdesk_team".id FROM "helpdesk_team" WHERE ("helpd...

"

Odoo is running on Ubuntu server and its service has been reloaded ... but the error is still there !

Is anybody still solved such an issue ?

Many Thanks by adavnce,

Regards
                                       ^