Hello,

When I try to install the apps it give me the below error. Can you please solve it?

RPC_ERROR

Odoo Server Error

Traceback (most recent call last):

  File "/odoo/odoo-server/odoo/tools/cache.py", line 85, in lookup

    r = d[key]

  File "", line 2, in __getitem__

  File "/odoo/odoo-server/odoo/tools/func.py", line 87, in locked

    return func(inst, *args, **kwargs)

  File "/odoo/odoo-server/odoo/tools/lru.py", line 34, in __getitem__

    a = self.d[obj]

KeyError: ('ir.model.data', , 'hospital_cleaning_waste_management.waste_transfer_menu')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/odoo/odoo-server/odoo/tools/convert.py", line 698, in _tag_root

    f(rec)

  File "/odoo/odoo-server/odoo/tools/convert.py", line 459, in _tag_menuitem

    act = self.env.ref(a_action).sudo()

  File "/odoo/odoo-server/odoo/api.py", line 595, in ref

    res_model, res_id = self['ir.model.data']._xmlid_to_res_model_res_id(

  File "/odoo/odoo-server/odoo/addons/base/models/ir_model.py", line 2041, in _xmlid_to_res_model_res_id

    return self._xmlid_lookup(xmlid)[1:3]

  File "", line 2, in _xmlid_lookup

  File "/odoo/odoo-server/odoo/tools/cache.py", line 90, in lookup

    value = d[key] = self.method(*args, **kwargs)

  File "/odoo/odoo-server/odoo/addons/base/models/ir_model.py", line 2034, in _xmlid_lookup

    raise ValueError('External ID not found in the system: %s' % xmlid)

ValueError: External ID not found in the system: hospital_cleaning_waste_management.waste_transfer_menu

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

Traceback (most recent call last):

  File "/odoo/odoo-server/odoo/http.py", line 1632, in _serve_db

    return service_model.retrying(self._serve_ir_http, self.env)

  File "/odoo/odoo-server/odoo/service/model.py", line 133, in retrying

    result = func()

  File "/odoo/odoo-server/odoo/http.py", line 1659, in _serve_ir_http

    response = self.dispatcher.dispatch(rule.endpoint, args)

  File "/odoo/odoo-server/odoo/http.py", line 1863, in dispatch

    result = self.request.registry['ir.http']._dispatch(endpoint)

  File "/odoo/odoo-server/addons/website/models/ir_http.py", line 237, in _dispatch

    response = super()._dispatch(endpoint)

  File "/odoo/odoo-server/odoo/addons/base/models/ir_http.py", line 154, in _dispatch

    result = endpoint(**request.params)

  File "/odoo/odoo-server/odoo/http.py", line 716, in route_wrapper

    result = endpoint(self, *args, **params_ok)

  File "/odoo/odoo-server/addons/web/controllers/dataset.py", line 46, in call_button

    action = self._call_kw(model, method, args, kwargs)

  File "/odoo/odoo-server/addons/web/controllers/dataset.py", line 33, in _call_kw

    return call_kw(request.env[model], method, args, kwargs)

  File "/odoo/odoo-server/odoo/api.py", line 468, in call_kw

    result = _call_kw_multi(method, model, args, kwargs)

  File "/odoo/odoo-server/odoo/api.py", line 453, in _call_kw_multi

    result = method(recs, *args, **kwargs)

  File "", line 2, in button_immediate_install

  File "/odoo/odoo-server/odoo/addons/base/models/ir_module.py", line 74, in check_and_log

    return method(self, *args, **kwargs)

  File "/odoo/odoo-server/odoo/addons/base/models/ir_module.py", line 475, in button_immediate_install

    return self._button_immediate_function(self.env.registry[self._name].button_install)

  File "/odoo/odoo-server/odoo/addons/base/models/ir_module.py", line 599, in _button_immediate_function

    registry = modules.registry.Registry.new(self._cr.dbname, update_module=True)

  File "", line 2, in new

  File "/odoo/odoo-server/odoo/tools/func.py", line 87, in locked

    return func(inst, *args, **kwargs)

  File "/odoo/odoo-server/odoo/modules/registry.py", line 90, in new

    odoo.modules.load_modules(registry, force_demo, status, update_module)

  File "/odoo/odoo-server/odoo/modules/loading.py", line 488, in load_modules

    processed_modules += load_marked_modules(cr, graph,

  File "/odoo/odoo-server/odoo/modules/loading.py", line 372, in load_marked_modules

    loaded, processed = load_module_graph(

  File "/odoo/odoo-server/odoo/modules/loading.py", line 231, in load_module_graph

    load_data(cr, idref, mode, kind='data', package=package)

  File "/odoo/odoo-server/odoo/modules/loading.py", line 71, in load_data

    tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind)

  File "/odoo/odoo-server/odoo/tools/convert.py", line 763, in convert_file

    convert_xml_import(cr, module, fp, idref, mode, noupdate)

  File "/odoo/odoo-server/odoo/tools/convert.py", line 829, in convert_xml_import

    obj.parse(doc.getroot())

  File "/odoo/odoo-server/odoo/tools/convert.py", line 749, in parse

    self._tag_root(de)

  File "/odoo/odoo-server/odoo/tools/convert.py", line 711, in _tag_root

    raise ParseError('while parsing %s:%s, somewhere inside\n%s' % (

odoo.tools.convert.ParseError: while parsing /odoo/custom/addons/hospital_cleaning_waste_management/views/menu.xml:48, somewhere inside

The above server error caused the following client error:

RPC_ERROR:/web/assets/527-965548f/web.assets_backend.min.js:989:163)

    at XMLHttpRequest. (/web/assets/527-965548f/web.assets_backend.min.js:997:13)