Hello,

Field Service App was working great until  a few hours ago. Every time I try to open it, I get an error.

I am using Odoo 17 Online. I tried on different computers, different users, different browsers, same error. I get the same error on the Android app.

RPC_ERROR
Odoo Server Error
Traceback (most recent call last):
  File "/home/odoo/src/odoo/saas-17.1/odoo/tools/cache.py", line 99, in lookup
    r = d[key]
  File "", line 2, in __getitem__
  File "/home/odoo/src/odoo/saas-17.1/odoo/tools/func.py", line 87, in locked
    return func(inst, *args, **kwargs)
  File "/home/odoo/src/odoo/saas-17.1/odoo/tools/lru.py", line 34, in __getitem__
    a = self.d[obj]
KeyError: ('project.task', , (1432, 'form', None, 'en_GB', None, False, uom.uom(3,)))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/saas-17.1/odoo/http.py", line 1853, in _transactioning
    return service_model.retrying(func, env=self.env)
  File "/home/odoo/src/odoo/saas-17.1/odoo/service/model.py", line 134, in retrying
    result = func()
  File "/home/odoo/src/odoo/saas-17.1/odoo/http.py", line 1831, in _serve_ir_http
    return self._serve_ir_http(rule, args)
  File "/home/odoo/src/odoo/saas-17.1/odoo/http.py", line 1838, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "/home/odoo/src/odoo/saas-17.1/odoo/http.py", line 2063, in dispatch
    result = self.request.registry['ir.http']._dispatch(endpoint)
  File "/home/odoo/src/odoo/saas-17.1/odoo/addons/base/models/ir_http.py", line 222, in _dispatch
    result = endpoint(**request.params)
  File "/home/odoo/src/odoo/saas-17.1/odoo/http.py", line 743, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "/home/odoo/src/odoo/saas-17.1/addons/web/controllers/dataset.py", line 38, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "/home/odoo/src/odoo/saas-17.1/addons/web/controllers/dataset.py", line 34, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/home/odoo/src/odoo/saas-17.1/odoo/api.py", line 458, in call_kw
    result = getattr(recs, name)(*args, **kwargs)
  File "/home/odoo/src/enterprise/saas-17.1/web_studio/models/ir_ui_view.py", line 53, in get_views
    return super().get_views(views, options)
  File "/home/odoo/src/odoo/saas-17.1/odoo/addons/base/models/ir_ui_view.py", line 2416, in get_views
    result['views'] = {
  File "/home/odoo/src/odoo/saas-17.1/odoo/addons/base/models/ir_ui_view.py", line 2417, in 
    v_type: self.get_view(
  File "/home/odoo/src/odoo/saas-17.1/odoo/addons/base/models/ir_ui_view.py", line 2602, in get_view
    result = dict(self._get_view_cache(view_id, view_type, **options))
  File "", line 2, in _get_view_cache
  File "/home/odoo/src/odoo/saas-17.1/odoo/tools/cache.py", line 104, in lookup
    value = d[key] = self.method(*args, **kwargs)
  File "/home/odoo/src/odoo/saas-17.1/odoo/addons/base/models/ir_ui_view.py", line 2558, in _get_view_cache
    arch, view = self._get_view(view_id, view_type, **options)
  File "/home/odoo/src/odoo/saas-17.1/addons/hr_timesheet/models/project_task.py", line 236, in _get_view
    arch = self.env['account.analytic.line']._apply_time_label(arch, related_model=self._name)
  File "/home/odoo/src/odoo/saas-17.1/addons/hr_timesheet/models/hr_timesheet.py", line 306, in _apply_time_label
    name_with_uom = re.sub(re.escape(_('Hours')) + "|Hours", encoding_uom_name or '', Model._fields[node.get('name')]._description_string(self.env), flags=re.IGNORECASE)
KeyError: 'billable_time_target'

The above server error caused the following client error:
OwlError: An error occured in the owl lifecycle (see this Error's "cause" property)
    at handleError (https://dafa.odoo.com/web/assets/66cf406/web.assets_web.min.js:947:101)
    at App.handleError (https://dafa.odoo.com/web/assets/66cf406/web.assets_web.min.js:1573:29)
    at ComponentNode.initiateRender (https://dafa.odoo.com/web/assets/66cf406/web.assets_web.min.js:1037:19)

Caused by: RPC_ERROR: Odoo Server Error
    at makeErrorFromResponse (https://dafa.odoo.com/web/assets/66cf406/web.assets_web.min.js:2905:163)
    at XMLHttpRequest. (https://dafa.odoo.com/web/assets/66cf406/web.assets_web.min.js:2910:13)