I already created a custom application it's shows in the apps list and also it's working nut these data is showing in the data base and application name is also not showing.
Iam getting an error 

The demonstration data of 

1

Traceback (most recent call last): File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\cache.py", line 103, in lookup r = d[key] ~^^^^^ File "C:\Program Files\Odoo 18.0.20250212\python\Lib\site-packages\decorator.py", line 232, in fun return caller(func, *(extras + args), **kw) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\func.py", line 97, in locked return func(inst, *args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\lru.py", line 33, in __getitem__ a = self.d[obj] ~~~~~~^^^^^ KeyError: ('ir.model.data', <function IrModelData._xmlid_lookup at 0x000001821B96ECA0>, 'Race.car_manufacture_1r') During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\convert.py", line 537, in _tag_root f(rec) File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\convert.py", line 400, in _tag_record f_val = self.id_get(f_ref, raise_if_not_found=nodeattr2bool(rec, 'forcecreate', True)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\convert.py", line 519, in id_get res = self.model_id_get(id_str, raise_if_not_found) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\convert.py", line 525, in model_id_get return self.env['ir.model.data']._xmlid_to_res_model_res_id(id_str, raise_if_not_found=raise_if_not_found) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Odoo 18.0.20250212\server\odoo\addons\base\models\ir_model.py", line 2245, in _xmlid_to_res_model_res_id return self._xmlid_lookup(xmlid) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Odoo 18.0.20250212\python\Lib\site-packages\decorator.py", line 232, in fun return caller(func, *(extras + args), **kw) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\cache.py", line 110, in lookup value = d[key] = self.method(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Odoo 18.0.20250212\server\odoo\addons\base\models\ir_model.py", line 2238, in _xmlid_lookup raise ValueError('External ID not found in the system: %s' % xmlid) ValueError: External ID not found in the system: Race.car_manufacture_1r The above exception was the direct cause of the following exception: Traceback (most recent call last): File "C:\Program Files\Odoo 18.0.20250212\server\odoo\modules\loading.py", line 89, in load_demo load_data(env(su=True), idref, mode, kind='demo', package=package) File "C:\Program Files\Odoo 18.0.20250212\server\odoo\modules\loading.py", line 71, in load_data tools.convert_file(env, package.name, filename, idref, mode, noupdate, kind) File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\convert.py", line 608, in convert_file convert_xml_import(env, module, fp, idref, mode, noupdate) File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\convert.py", line 679, in convert_xml_import obj.parse(doc.getroot()) File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\convert.py", line 594, in parse self._tag_root(de) File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\convert.py", line 537, in _tag_root f(rec) File "C:\Program Files\Odoo 18.0.20250212\server\odoo\tools\convert.py", line 550, in _tag_root raise ParseError('while parsing %s:%s, somewhere inside\n%s' % ( odoo.tools.convert.ParseError: while parsing file:/c:/program%20files/odoo%2018.0.20250212/server/odoo/addons/race/demo/demo.xml:7, somewhere inside <record id="car_model_1" model="car.model"> <field name="name">Car Model 1</field> <field name="manufacturer_id" ref="car_manufacture_1r"/> </record>

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