Suddenly getting this

Odoo Server Error
        
Traceback (most recent call last):
  File "/odoo/odoo-server/odoo/addons/base/models/ir_http.py", line 237, in _dispatch
    result = request.dispatch()
  File "/odoo/odoo-server/odoo/http.py", line 683, in dispatch
    result = self._call_function(**self.params)
  File "/odoo/odoo-server/odoo/http.py", line 359, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/odoo/odoo-server/odoo/service/model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "/odoo/odoo-server/odoo/http.py", line 347, in checked_call
    result = self.endpoint(*a, **kw)
  File "/odoo/odoo-server/odoo/http.py", line 912, in __call__
    return self.method(*args, **kw)
  File "/odoo/odoo-server/odoo/http.py", line 531, in response_wrap
    response = f(*args, **kw)
  File "/odoo/odoo-server/addons/website_sale/controllers/backend.py", line 59, in fetch_dashboard_data
    product_tmpl_id = request.env['product.template'].browse(product_line['product_tmpl_id'][0])
Exception

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

Traceback (most recent call last):
  File "/odoo/odoo-server/odoo/http.py", line 639, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/odoo/odoo-server/odoo/http.py", line 315, in _handle_exception
    raise exception.with_traceback(None) from new_cause
TypeError: 'bool' object is not subscriptable




    
What "product_tmpl" is causing whis.