Hello, currently i am working on odoo project management system in which on edit project i am getting below error.

Traceback (most recent call last):
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/addons/base/models/ir_http.py", line 237, in _dispatch
    result = request.dispatch()
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/http.py", line 687, in dispatch
    result = self._call_function(**self.params)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/http.py", line 359, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/service/model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/http.py", line 348, in checked_call
    result = self.endpoint(*a, **kw)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/http.py", line 916, in __call__
    return self.method(*args, **kw)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/http.py", line 535, in response_wrap
    response = f(*args, **kw)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/addons/web/controllers/main.py", line 1343, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/addons/web/controllers/main.py", line 1335, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/api.py", line 464, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/api.py", line 451, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/models.py", line 3225, in read
    self._read(stored_fields)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/models.py", line 3371, in _read
    field.read(fetched)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/fields.py", line 3768, in read
    order_by = comodel._generate_order_by(None, wquery)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/models.py", line 4597, in _generate_order_by
    order_by_elements = self._generate_order_by_inner(self._table, order_spec, query)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/models.py", line 4563, in _generate_order_by_inner
    raise ValueError("Invalid field %r on model %r" % (order_field, self._name))
Exception

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

Traceback (most recent call last):
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/http.py", line 643, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/home/priyankspaththa/Desktop/Odoo15_crm/py_crm/odoo/http.py", line 301, in _handle_exception
    raise exception.with_traceback(None) from new_cause
ValueError: Invalid field 'id' on model '_unknown'