1. RPC_ERROR
2. Odoo Server Error
3. Traceback (most recent call last):
4.   File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_http.py", line 237, in _dispatch
5.     result = request.dispatch()
6.   File "/usr/lib/python3/dist-packages/odoo/http.py", line 688, in dispatch
7.     result = self._call_function(**self.params)
8.   File "/usr/lib/python3/dist-packages/odoo/http.py", line 360, in _call_function
9.     return checked_call(self.db, *args, **kwargs)
10.   File "/usr/lib/python3/dist-packages/odoo/service/model.py", line 94, in wrapper
11.     return f(dbname, *args, **kwargs)
12.   File "/usr/lib/python3/dist-packages/odoo/http.py", line 349, in checked_call
13.     result = self.endpoint(*a, **kw)
14.   File "/usr/lib/python3/dist-packages/odoo/http.py", line 917, in __call__
15.     return self.method(*args, **kw)
16.   File "/usr/lib/python3/dist-packages/odoo/http.py", line 536, in response_wrap
17.     response = f(*args, **kw)
18.   File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 1352, in call_button
19.     action = self._call_kw(model, method, args, kwargs)
20.   File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 1340, in _call_kw
21.     return call_kw(request.env[model], method, args, kwargs)
22.   File "/usr/lib/python3/dist-packages/odoo/api.py", line 464, in call_kw
23.     result = _call_kw_multi(method, model, args, kwargs)
24.   File "/usr/lib/python3/dist-packages/odoo/api.py", line 451, in _call_kw_multi
25.     result = method(recs, *args, **kwargs)
26.   File "<decorator-gen-74>", line 2, in button_immediate_install
27.   File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_module.py", line 74, in check_and_log
28.     return method(self, *args, **kwargs)
29.   File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_module.py", line 483, in button_immediate_install
30.     return self._button_immediate_function(type(self).button_install)
31.   File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_module.py", line 600, in _button_immediate_function
32.     registry = modules.registry.Registry.new(self._cr.dbname, update_module=True)
33.   File "/usr/lib/python3/dist-packages/odoo/modules/registry.py", line 87, in new
34.     odoo.modules.load_modules(registry, force_demo, status, update_module)
35.   File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 474, in load_modules
36.     processed_modules += load_marked_modules(cr, graph,
37.   File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 363, in load_marked_modules
38.     loaded, processed = load_module_graph(
39.   File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 222, in load_module_graph
40.     load_data(cr, idref, mode, kind='data', package=package)
41.   File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 69, in load_data
42.     tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind)
43.   File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 745, in convert_file
44.     convert_xml_import(cr, module, fp, idref, mode, noupdate)
45.   File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 794, in convert_xml_import
46.     relaxng.assert_(doc)
47.   File "src/lxml/etree.pyx", line 3633, in lxml.etree._Validator.assert_
48. Exception
49.  
50. The above exception was the direct cause of the following exception:
51.  
52. Traceback (most recent call last):
53.   File "/usr/lib/python3/dist-packages/odoo/http.py", line 644, in _handle_exception
54.     return super(JsonRequest, self)._handle_exception(exception)
55.   File "/usr/lib/python3/dist-packages/odoo/http.py", line 302, in _handle_exception
56.     raise exception.with_traceback(None) from new_cause
57. AssertionError: Element odoo has extra content: data, line 3