RPC_ERROR
Odoo Server Error
Traceback (most recent call last):
File "F:\odoo\odoo16\server\odoo\tools\cache\.py",\ line\ 85,\ in\ lookup
\ \ \ \ r\ =\ d\[key\]
\ \ File\ "",\ line\ 2,\ in\ __getitem__
\ \ File\ "F:\odoo\odoo16\server\odoo\tools\func\.py",\ line\ 87,\ in\ locked
\ \ \ \ return\ func\(inst,\ \*args,\ \*\*kwargs\)
\ \ File\ "F:\odoo\odoo16\server\odoo\tools\lru\.py",\ line\ 34,\ in\ __getitem__
\ \ \ \ a\ =\ self\.d\[obj\]
KeyError:\ \('ir\.model\.data',\ ,\ 'account\.tax_group_taxes'\)

During\ handling\ of\ the\ above\ exception,\ another\ exception\ occurred:

Traceback\ \(most\ recent\ call\ last\):
\ \ File\ "F:\odoo\odoo16\server\odoo\http\.py",\ line\ 1578,\ in\ _serve_db
\ \ \ \ return\ service_model\.retrying\(self\._serve_ir_http,\ self\.env\)
\ \ File\ "F:\odoo\odoo16\server\odoo\service\model\.py",\ line\ 134,\ in\ retrying
\ \ \ \ result\ =\ func\(\)
\ \ File\ "F:\odoo\odoo16\server\odoo\http\.py",\ line\ 1607,\ in\ _serve_ir_http
\ \ \ \ response\ =\ self\.dispatcher\.dispatch\(rule\.endpoint,\ args\)
\ \ File\ "F:\odoo\odoo16\server\odoo\http\.py",\ line\ 1804,\ in\ dispatch
\ \ \ \ result\ =\ self\.request\.registry\['ir\.http'\]\._dispatch\(endpoint\)
\ \ File\ "F:\odoo\odoo16\server\odoo\addons\base\models\ir_http\.py",\ line\ 140,\ in\ _dispatch
\ \ \ \ result\ =\ endpoint\(\*\*request\.params\)
\ \ File\ "F:\odoo\odoo16\server\odoo\http\.py",\ line\ 698,\ in\ route_wrapper
\ \ \ \ result\ =\ endpoint\(self,\ \*args,\ \*\*params_ok\)
\ \ File\ "F:\odoo\odoo16\server\odoo\addons\web\controllers\dataset\.py",\ line\ 42,\ in\ call_kw
\ \ \ \ return\ self\._call_kw\(model,\ method,\ args,\ kwargs\)
\ \ File\ "F:\odoo\odoo16\server\odoo\addons\web\controllers\dataset\.py",\ line\ 33,\ in\ _call_kw
\ \ \ \ return\ call_kw\(request\.env\[model\],\ method,\ args,\ kwargs\)
\ \ File\ "F:\odoo\odoo16\server\odoo\api\.py",\ line\ 461,\ in\ call_kw
\ \ \ \ result\ =\ _call_kw_multi\(method,\ model,\ args,\ kwargs\)
\ \ File\ "F:\odoo\odoo16\server\odoo\api\.py",\ line\ 448,\ in\ _call_kw_multi
\ \ \ \ result\ =\ method\(recs,\ \*args,\ \*\*kwargs\)
\ \ File\ "F:\odoo\odoo16\server\odoo\models\.py",\ line\ 6383,\ in\ onchange
\ \ \ \ defaults\ =\ self\.default_get\(missing_names\)
\ \ File\ "F:\odoo\odoo16\server\odoo\addons\account\models\account_tax\.py",\ line\ 161,\ in\ default_get
\ \ \ \ rslt\ =\ super\(AccountTax,\ self\)\.default_get\(fields_list\ \+\ \['company_id'\]\)
\ \ File\ "F:\odoo\odoo16\server\odoo\models\.py",\ line\ 1416,\ in\ default_get
\ \ \ \ defaults\[name\]\ =\ field\.default\(self\)
\ \ File\ "F:\odoo\odoo16\server\odoo\addons\account\models\account_tax\.py",\ line\ 86,\ in\ _default_tax_group
\ \ \ \ return\ self\.env\.ref\('account\.tax_group_taxes'\)
\ \ File\ "F:\odoo\odoo16\server\odoo\api\.py",\ line\ 583,\ in\ ref
\ \ \ \ xml_id,\ raise_if_not_found=raise_if_not_found
\ \ File\ "F:\odoo\odoo16\server\odoo\addons\base\models\ir_model\.py",\ line\ 2018,\ in\ _xmlid_to_res_model_res_id
\ \ \ \ return\ self\._xmlid_lookup\(xmlid\)\[1:3\]
\ \ File\ "",\ line\ 2,\ in\ _xmlid_lookup
\ \ File\ "F:\odoo\odoo16\server\odoo\tools\cache\.py",\ line\ 90,\ in\ lookup
\ \ \ \ value\ =\ d\[key\]\ =\ self\.method\(\*args,\ \*\*kwargs\)
\ \ File\ "F:\odoo\odoo16\server\odoo\addons\base\models\ir_model.py", line 2011, in _xmlid_lookup
raise ValueError('External ID not found in the system: %s' % xmlid)
ValueError: External ID not found in the system: account.tax_group_taxes

The above server error caused the following client error:
null