500: Internal Server Error

Traceback

Traceback (most recent call last):
  File "/odoo-13/odoo-13-server/odoo/addons/base/models/ir_http.py", line 234, in _dispatch
    result = request.dispatch()
  File "/odoo-13/odoo-13-server/odoo/http.py", line 809, in dispatch
    r = self._call_function(**self.params)
  File "/odoo-13/odoo-13-server/odoo/http.py", line 350, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/odoo-13/odoo-13-server/odoo/service/model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "/odoo-13/odoo-13-server/odoo/http.py", line 339, in checked_call
    result = self.endpoint(*a, **kw)
  File "/odoo-13/odoo-13-server/odoo/http.py", line 915, in __call__
    return self.method(*args, **kw)
  File "/odoo-13/odoo-13-server/odoo/http.py", line 515, in response_wrap
    response = f(*args, **kw)
  File "/odoo-13/Third-Party/atharva_theme_general/controllers/main.py", line 134, in shop
    products = Product.search(domain, limit=ppg, offset=pager['offset'], order=self._get_search_order(post))
  File "/odoo-13/odoo-13-server/odoo/models.py", line 1618, in search
    res = self._search(args, offset=offset, limit=limit, order=order, count=count)
  File "/odoo-13/odoo-13-server/odoo/models.py", line 4388, in _search
    order_by = self._generate_order_by(order, query)
  File "/odoo-13/odoo-13-server/odoo/models.py", line 4292, in _generate_order_by
    order_by_elements = self._generate_order_by_inner(self._table, order_spec, query)
  File "/odoo-13/odoo-13-server/odoo/models.py", line 4258, in _generate_order_by_inner
    raise ValueError("Invalid field %r on model %r" % (order_field, self._name))
ValueError: Invalid field 'ks_sale_count' on model 'product.template'