Internal Server Error 500 after install module

[raularam]

Hello Hilar, After I installed the module over a fresh Odoo 11 install running on Ubuntu, I get this error and in my browser I get a 500 server error:

2018-05-14 03:15:02,577 1528 ERROR test-database odoo.addons.website.models.ir_http: 500 Internal Server Error:

Traceback (most recent call last): File "/opt/odoo/odoo/addons/website/models/ir_http.py", line 162, in _handle_exception response = super(Http, cls)._handle_exception(exception) File "/opt/odoo/odoo/addons/base/ir/ir_http.py", line 182, in _handle_exception return request._handle_exception(exception) File "/opt/odoo/odoo/http.py", line 763, in _handle_exception return super(HttpRequest, self)._handle_exception(exception) File "/opt/odoo/odoo/http.py", line 309, in _handle_exception raise pycompat.reraise(type(exception), exception, sys.exc_info()[2]) File "/opt/odoo/odoo/http.py", line 1388, in get_response result.flatten() File "/opt/odoo/odoo/http.py", line 1251, in flatten self.response.append(self.render()) File "/opt/odoo/odoo/http.py", line 1244, in render return env["ir.ui.view"].render_template(self.template, self.qcontext) File "/opt/odoo/odoo/addons/base/ir/ir_ui_view.py", line 1052, in render_template return self.browse(self.get_view_id(template)).render(values, engine) File "/opt/odoo/odoo/addons/website/models/ir_ui_view.py", line 106, in render return super(View, self).render(values, engine=engine) File "/opt/odoo/odoo/addons/web_editor/models/ir_ui_view.py", line 27, in render return super(IrUiView, self).render(values=values, engine=engine) File "/opt/odoo/odoo/addons/base/ir/ir_ui_view.py", line 1061, in render return self.env[engine].render(self.id, qcontext) File "/opt/odoo/odoo/addons/base/ir/ir_qweb/ir_qweb.py", line 57, in render return super(IrQWeb, self).render(id_or_xml_id, values=values, **context) File "/opt/odoo/odoo/addons/base/ir/ir_qweb/qweb.py", line 271, in render self.compile(template, options)(self, body.append, values or {}) File "/opt/odoo/odoo/addons/base/ir/ir_qweb/qweb.py", line 343, in _compiled_fn raise e QWebException: 'NoneType' object is not callable Traceback (most recent call last): File "/opt/odoo/odoo/addons/base/ir/ir_qweb/qweb.py", line 341, in _compiled_fn return compiled(self, append, new, options, log) File "