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When I try to install studio an internal error shows 

When i looked up the logs it shows the following error

Traceback (most recent call last):
2023-05-08T06:30:32.991082827Z File "/usr/lib/python3/dist-packages/odoo/tools/cache.py", line 85, in lookup
2023-05-08T06:30:32.991084790Z r = d[key]
2023-05-08T06:30:32.991086482Z File "", line 2, in __getitem__
2023-05-08T06:30:32.991088478Z File "/usr/lib/python3/dist-packages/odoo/tools/func.py", line 87, in locked
2023-05-08T06:30:32.991090187Z return func(inst, *args, **kwargs)
2023-05-08T06:30:32.991091677Z File "/usr/lib/python3/dist-packages/odoo/tools/lru.py", line 34, in __getitem__
2023-05-08T06:30:32.991093416Z a = self.d[obj]
2023-05-08T06:30:32.991094921Z KeyError: ('ir.qweb', , 'web.assets_backend', False, True, '', False, False, False, False, ('en_US', None, None, None, None, None, None))
2023-05-08T06:30:32.991096730Z
2023-05-08T06:30:32.991098218Z During handling of the above exception, another exception occurred:
2023-05-08T06:30:32.991099764Z
2023-05-08T06:30:32.991101152Z Traceback (most recent call last):
2023-05-08T06:30:32.991102647Z File "<190>", line 323, in template_190
2023-05-08T06:30:32.991104253Z File "<190>", line 305, in template_190_content
2023-05-08T06:30:32.991105854Z File "<190>", line 274, in template_190_t_call_0
2023-05-08T06:30:32.991107407Z File "<190>", line 191, in template_190_t_set_2
2023-05-08T06:30:32.991121322Z File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_qweb.py", line 2415, in _get_asset_nodes
2023-05-08T06:30:32.991123173Z return self._generate_asset_nodes_cache(bundle, css, js, debug, async_load, defer_load, lazy_load, media)
2023-05-08T06:30:32.991124861Z File "", line 2, in _generate_asset_nodes_cache
2023-05-08T06:30:32.991126534Z File "/usr/lib/python3/dist-packages/odoo/tools/cache.py", line 90, in lookup
2023-05-08T06:30:32.991128384Z value = d[key] = self.method(*args, **kwargs)
2023-05-08T06:30:32.991130093Z File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_qweb.py", line 2470, in _generate_asset_nodes_cache
2023-05-08T06:30:32.991139988Z return self._generate_asset_nodes(bundle, css, js, debug, async_load, defer_load, lazy_load, media)
2023-05-08T06:30:32.991141765Z File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_qweb.py", line 2544, in _generate_asset_nodes
2023-05-08T06:30:32.991143488Z return remains + asset.to_node(css=css, js=js, debug=debug, async_load=async_load, defer_load=defer_load, lazy_load=lazy_load)
2023-05-08T06:30:32.991145139Z File "/usr/lib/python3/dist-packages/odoo/addons/base/models/assetsbundle.py", line 181, in to_node
2023-05-08T06:30:32.991146760Z js_attachment = self.js(is_minified=not is_debug_assets)
2023-05-08T06:30:32.991148782Z File "/usr/lib/python3/dist-packages/odoo/addons/base/models/assetsbundle.py", line 394, in js
2023-05-08T06:30:32.991150396Z content.append(self.xml(show_inherit_info=not is_minified))
2023-05-08T06:30:32.991151926Z File "/usr/lib/python3/dist-packages/odoo/addons/base/models/assetsbundle.py", line 556, in xml
2023-05-08T06:30:32.991153563Z inherited_template = apply_inheritance_specs(parent_tree, xpaths)
2023-05-08T06:30:32.991155083Z File "/usr/lib/python3/dist-packages/odoo/tools/template_inheritance.py", line 265, in apply_inheritance_specs
2023-05-08T06:30:32.991156747Z raise ValueError(
2023-05-08T06:30:32.991158225Z ValueError: Element '' cannot be located in parent view
2023-05-08T06:30:32.991159956Z
2023-05-08T06:30:32.991161406Z The above exception was the direct cause of the following exception:
2023-05-08T06:30:32.991162926Z
2023-05-08T06:30:32.991164560Z Traceback (most recent call last):
2023-05-08T06:30:32.991166079Z File "/usr/lib/python3/dist-packages/odoo/http.py", line 1987, in __call__
2023-05-08T06:30:32.991167702Z response = request._serve_db()
2023-05-08T06:30:32.991169152Z File "/usr/lib/python3/dist-packages/odoo/http.py", line 1583, in _serve_db
2023-05-08T06:30:32.991170796Z return service_model.retrying(self._serve_ir_http, self.env)
2023-05-08T06:30:32.991172328Z File "/usr/lib/python3/dist-packages/odoo/service/model.py", line 134, in retrying
2023-05-08T06:30:32.991173920Z result = func()
2023-05-08T06:30:32.991175394Z File "/usr/lib/python3/dist-packages/odoo/http.py", line 1610, in _serve_ir_http
2023-05-08T06:30:32.991177053Z response = self.dispatcher.dispatch(rule.endpoint, args)
2023-05-08T06:30:32.991178623Z File "/usr/lib/python3/dist-packages/odoo/http.py", line 1723, in dispatch
2023-05-08T06:30:32.991180185Z return self.request.registry['ir.http']._dispatch(endpoint)
2023-05-08T06:30:32.991181677Z File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_http.py", line 156, in _dispatch
2023-05-08T06:30:32.991183298Z result.flatten()
2023-05-08T06:30:32.991184816Z File "/usr/lib/python3/dist-packages/odoo/http.py", line 1098, in flatten
2023-05-08T06:30:32.991188518Z self.response.append(self.render())
2023-05-08T06:30:32.991190026Z File "/usr/lib/python3/dist-packages/odoo/http.py", line 1090, in render
2023-05-08T06:30:32.991191581Z return request.env["ir.ui.view"]._render_template(self.template, self.qcontext)
2023-05-08T06:30:32.991193245Z File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 2128, in _render_template
2023-05-08T06:30:32.991194848Z return self.env['ir.qweb']._render(template, values)
2023-05-08T06:30:32.991196354Z File "/usr/lib/python3/dist-packages/odoo/tools/profiler.py", line 292, in _tracked_method_render
2023-05-08T06:30:32.991197928Z return method_render(self, template, values, **options)
2023-05-08T06:30:32.991199749Z File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_qweb.py", line 580, in _render
2023-05-08T06:30:32.991201350Z result = ''.join(rendering)
2023-05-08T06:30:32.991202828Z File "<190>", line 329, in template_190
2023-05-08T06:30:32.991204369Z odoo.addons.base.models.ir_qweb.QWebException: Error while render the template
2023-05-08T06:30:32.991205973Z ValueError: Element '' cannot be located in parent view
2023-05-08T06:30:32.991213431Z Template: web.webclient_bootstrap
2023-05-08T06:30:32.991214982Z Path: /t/t/t[1]/t[4]
2023-05-08T06:30:32.991216523Z Node:

I created a new clean database and the same problem kept happening. I checked if there is any apps that were installed automatically but there was none.

FYI I am using docker.

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I have the same problem, Any solution?

Best Answer

Hi,

I tried to reproduce the issue with latest source code of odoo 16 community and enterprise and unfortunately the issue is not happening with me. Can you confirm from your side that you are using the latest source code, may be issue happens at some point and may be it get fixed already ?


Just update the source code to latest and update your modules in the db and see if it  works fine, if it still happening with you, can you try by uninstalling the module in odoo runbot and see if you can reproduce it there.


Thanks

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it still happens, but only on my local server.
I have odoo.sh and it does not happen there...
will have to investigate the why

Author

Mr Herve
This solution worked for me
It appeared that my enterprise code and my community code weren't maching so i had an error
You could ether update your code
or find an older version that works fine with you