.venv) awes7@viiondev:~/projects/opportunity$ tryton
ERROR:tryton.common.common: File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/form.py", line 468, in sig_new
self.screen.new()
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 649, in new
self.switch_view(creatable=True)
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 570, in switch_view
self.load_view_to_load()
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 595, in load_view_to_load
self.add_view_id(view_id, view_type)
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 611, in add_view_id
return self.add_view(view)
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 638, in add_view
view = View.parse(
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/view/__init__.py", line 75, in parse
return ViewForm(view_id, screen, root)
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/view/form.py", line 462, in __init__
super().__init__(view_id, screen, xml)
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/view/__init__.py", line 36, in __init__
).parse(xml)
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/view/__init__.py", line 132, in parse
parser(node, node_attrs)
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/view/form.py", line 216, in _parse_form
self.parse_child(node, container)
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/view/form.py", line 223, in parse_child
self.parse(child)
File "/home/awes7/projects/opportunity/.venv/lib/python3.10/site-packages/tryton/gui/window/view_form/view/__init__.py", line 131, in parse
parser = getattr(self, '_parse_%s' % node.tagName)
AttributeError: 'FormXMLViewParser' object has no attribute '_parse_lable'
There is a typo in your XML file, you typed lable instead of label.