Permission denied"error

[CatherineAmir]

permission denied error while using run manually cron function error is Odoo Server Error Traceback (most recent call last): File "/odoo/odoo-server/odoo/addons/base/models/ir_http.py", line 237, in _dispatch result = request.dispatch() File "/odoo/odoo-server/odoo/http.py", line 683, in dispatch result = self._call_function(**self.params) File "/odoo/odoo-server/odoo/http.py", line 359, in _call_function return checked_call(self.db, *args, **kwargs) File "/odoo/odoo-server/odoo/service/model.py", line 94, in wrapper return f(dbname, *args, **kwargs) File "/odoo/odoo-server/odoo/http.py", line 347, in checked_call result = self.endpoint(*a, **kw) File "/odoo/odoo-server/odoo/http.py", line 912, in call return self.method(*args, **kw) File "/odoo/odoo-server/odoo/http.py", line 531, in response_wrap response = f(*args, **kw) File "/odoo/odoo-server/addons/web/controllers/main.py", line 1393, in call_button action = self._call_kw(model, method, args, kwargs) File "/odoo/odoo-server/addons/web/controllers/main.py", line 1381, in _call_kw return call_kw(request.env[model], method, args, kwargs) File "/odoo/odoo-server/odoo/api.py", line 396, in call_kw result = _call_kw_multi(method, model, args, kwargs) File "/odoo/odoo-server/odoo/api.py", line 383, in _call_kw_multi result = method(recs, *args, **kwargs) File "/odoo/odoo-server/odoo/addons/base/models/ir_cron.py", line 83, in method_direct_trigger cron.with_user(cron.user_id).with_context(lastcall=cron.lastcall).ir_actions_server_id.run() File "/odoo/odoo-server/odoo/addons/base/models/ir_actions.py", line 632, in run res = runner(run_self, eval_context=eval_context) File "/odoo/odoo-server/addons/website/models/ir_actions.py", line 61, in _run_action_code_multi res = super(ServerAction, self)._run_action_code_multi(eval_context) File "/odoo/odoo-server/odoo/addons/base/models/ir_actions.py", line 501, in _run_action_code_multi safe_eval(self.code.strip(), eval_context, mode="exec", nocopy=True) # nocopy allows to return 'action' File "/odoo/odoo-server/odoo/tools/safe_eval.py", line 346, in safe_eval raise ValueError('%s: "%s" while evaluating\n%r' % (ustr(type(e)), ustr(e), expr)) Exception

The above exception was the direct cause of the following exception:

Traceback (most recent call last): File "/odoo/odoo-server/odoo/http.py", line 639, in _handle_exception return super(JsonRequest, self)._handle_exception(exception) File "/odoo/odoo-server/odoo/http.py", line 315, in _handle_exception raise exception.with_traceback(None) from new_cause ValueError: <class 'PermissionError'>: "13 Permission denied" while evaluating 'model.schedule_backup()'

note using SFTP on digital-ocean hosting and testing connection runs successfully