Odoo Server Error

Traceback (most recent call last):
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\addons\base\models\ir_http.py", line 237, in _dispatch
    result = request.dispatch()
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\http.py", line 696, in dispatch
    result = self._call_function(**self.params)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\http.py", line 370, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\service\model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\http.py", line 358, in checked_call
    result = self.endpoint(*a, **kw)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\http.py", line 919, in __call__
    return self.method(*args, **kw)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\http.py", line 544, in response_wrap
    response = f(*args, **kw)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\addons\web\controllers\main.py", line 1376, in call_button
    action = self._call_kw(model, method, args, kwargs)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\addons\web\controllers\main.py", line 1364, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\api.py", line 404, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\api.py", line 391, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "<decorator-gen-74>", line 2, in button_immediate_install
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\addons\base\models\ir_module.py", line 72, in check_and_log
    return method(self, *args, **kwargs)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\addons\base\models\ir_module.py", line 454, in button_immediate_install
    return self._button_immediate_function(type(self).button_install)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\addons\base\models\ir_module.py", line 572, in _button_immediate_function
    modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\modules\registry.py", line 89, in new
    odoo.modules.load_modules(registry._db, force_demo, status, update_module)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\modules\loading.py", line 461, in load_modules
    loaded_modules, update_module, models_to_check)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\modules\loading.py", line 349, in load_marked_modules
    perform_checks=perform_checks, models_to_check=models_to_check
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\modules\loading.py", line 179, in load_module_graph
    load_openerp_module(package.name)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\modules\module.py", line 385, in load_openerp_module
    __import__('odoo.addons.' + module_name)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\addons\dev_employee_number\__init__.py", line 11, in <module>
    from . import models
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\addons\dev_employee_number\models\__init__.py", line 11, in <module>
    from . import hr_employee
Exception

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

Traceback (most recent call last):
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\http.py", line 652, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\http.py", line 317, in _handle_exception
    raise exception.with_traceback(None) from new_cause
  File "C:\Program Files\Odoo 14.0.20231205\server\odoo\addons\dev_employee_number\models\hr_employee.py", line 19
    emp_seq = fields.Char("Matricule", required=True, default='/')
    ^
IndentationError: unexpected indent