When I try to open Windows Action from Odoo - Settings - Technical
That happen when I change menu name of one model ( after this error I change it as it was )
then I uninstall application then Install it again , but error still 

I recieviing the following error:

Traceback (most recent call last):
  File "D:\My System\Odoo15\odoo\odoo\addons\base\models\ir_http.py", line 237, in _dispatch
    result = request.dispatch()
  File "D:\My System\Odoo15\odoo\odoo\http.py", line 687, in dispatch
    result = self._call_function(**self.params)
  File "D:\My System\Odoo15\odoo\odoo\http.py", line 359, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "D:\My System\Odoo15\odoo\odoo\service\model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "D:\My System\Odoo15\odoo\odoo\http.py", line 348, in checked_call
    result = self.endpoint(*a, **kw)
  File "D:\My System\Odoo15\odoo\odoo\http.py", line 916, in __call__
    return self.method(*args, **kw)
  File "D:\My System\Odoo15\odoo\odoo\http.py", line 535, in response_wrap
    response = f(*args, **kw)
  File "d:\my system\odoo15\odoo\addons\web\controllers\main.py", line 1305, in search_read
    return self.do_search_read(model, fields, offset, limit, domain, sort)
  File "d:\my system\odoo15\odoo\addons\web\controllers\main.py", line 1324, in do_search_read
    return Model.web_search_read(domain, fields, offset=offset, limit=limit, order=sort)
  File "d:\my system\odoo15\odoo\addons\web\models\models.py", line 62, in web_search_read
    records = self.search_read(domain, fields, offset=offset, limit=limit, order=order)
  File "D:\My System\Odoo15\odoo\odoo\models.py", line 5050, in search_read
    result = records.read(fields, **read_kwargs)
  File "d:\my system\odoo15\odoo\custom_addons\dynamic_odoo\models\ir_actions.py", line 40, in read
    self.set_virtual_data(item, self.id)
  File "D:\My System\Odoo15\odoo\odoo\fields.py", line 4061, in __get__
    raise ValueError("Expected singleton: %s" % record)
Exception

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

Traceback (most recent call last):
  File "D:\My System\Odoo15\odoo\odoo\http.py", line 643, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "D:\My System\Odoo15\odoo\odoo\http.py", line 301, in _handle_exception
    raise exception.with_traceback(None) from new_cause
ValueError: Expected singleton: ir.actions.act_window(24, 233, 261, 293, 5, 121, 343, 120, 306, 169, 44, 125, 133, 136, 268, 137, 269, 132, 73, 75, 46, 37, 11, 25, 146, 313, 64, 217, 240, 239, 63, 226, 131, 145, 316, 97, 99, 241, 254, 377, 74, 70, 115, 234, 246, 135, 256, 119, 238, 279, 307, 155, 94, 55, 76, 31, 104, 9, 84, 61, 57, 319, 397, 398, 327, 326, 65, 66, 208, 262, 287, 17, 225, 69, 259, 58, 59, 32, 4, 50)