Traceback (most recent call last):
  File "/home/mohit/odoo16/odoo/http.py", line 1579, in _serve_db
    return service_model.retrying(self._serve_ir_http, self.env)
  File "/home/mohit/odoo16/odoo/service/model.py", line 134, in retrying
    result = func()
  File "/home/mohit/odoo16/odoo/http.py", line 1608, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "/home/mohit/odoo16/odoo/http.py", line 1805, in dispatch
    result = self.request.registry['ir.http']._dispatch(endpoint)
  File "/home/mohit/odoo16/odoo/addons/base/models/ir_http.py", line 144, in _dispatch
    result = endpoint(**request.params)
  File "/home/mohit/odoo16/odoo/http.py", line 698, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "/home/mohit/odoo16/addons/web/controllers/dataset.py", line 46, in call_button
    action = self._call_kw(model, method, args, kwargs)
  File "/home/mohit/odoo16/addons/web/controllers/dataset.py", line 33, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/home/mohit/odoo16/odoo/api.py", line 461, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "/home/mohit/odoo16/odoo/api.py", line 448, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "", line 2, in button_immediate_upgrade
  File "/home/mohit/odoo16/odoo/addons/base/models/ir_module.py", line 76, in check_and_log
    return method(self, *args, **kwargs)
  File "/home/mohit/odoo16/odoo/addons/base/models/ir_module.py", line 678, in button_immediate_upgrade
    return self._button_immediate_function(type(self).button_upgrade)
  File "/home/mohit/odoo16/odoo/addons/base/models/ir_module.py", line 615, in _button_immediate_function
    registry = modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "", line 2, in new
  File "/home/mohit/odoo16/odoo/tools/func.py", line 87, in locked
    return func(inst, *args, **kwargs)
  File "/home/mohit/odoo16/odoo/modules/registry.py", line 91, in new
    odoo.modules.load_modules(registry, force_demo, status, update_module)
  File "/home/mohit/odoo16/odoo/modules/loading.py", line 478, in load_modules
    processed_modules += load_marked_modules(cr, graph,
  File "/home/mohit/odoo16/odoo/modules/loading.py", line 371, in load_marked_modules
    loaded, processed = load_module_graph(
  File "/home/mohit/odoo16/odoo/modules/loading.py", line 230, in load_module_graph
    load_data(cr, idref, mode, kind='data', package=package)
  File "/home/mohit/odoo16/odoo/modules/loading.py", line 71, in load_data
    tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind)
  File "/home/mohit/odoo16/odoo/tools/convert.py", line 763, in convert_file
    convert_xml_import(cr, module, fp, idref, mode, noupdate)
  File "/home/mohit/odoo16/odoo/tools/convert.py", line 829, in convert_xml_import
    obj.parse(doc.getroot())
  File "/home/mohit/odoo16/odoo/tools/convert.py", line 749, in parse
    self._tag_root(de)
  File "/home/mohit/odoo16/odoo/tools/convert.py", line 709, in _tag_root
    raise ParseError(msg) from None  # Restart with "--log-handler odoo.tools.convert:DEBUG" for complete traceback
odoo.tools.convert.ParseError: while parsing /home/mohit/odoo16/Internal/project_management/views/ld_project_inherit.xml:44
Error while validating view near:


                    
                    
                    

Tree child can only have one of field, button, control, groupby, widget, header tag (not tree)

View error context:
{'file': '/home/mohit/odoo16/Internal/project_management/views/ld_project_inherit.xml',
 'line': 2,
 'name': 'project.ld.project.tree.inherit',
 'view': ir.ui.view(1206,),
 'view.model': 'project.task',
 'view.parent': ir.ui.view(530,),
 'xmlid': 'views_ld_project_tree_inherit'}


The above server error caused the following client error:
RPC_ERROR: Odoo Server Error
    at makeErrorFromResponse (http://localhost:8069/web/assets/943-2624d17/web.assets_backend.min.js:967:163)
    at XMLHttpRequest. (http://localhost:8069/web/assets/943-2624d17/web.assets_backend.min.js:974:13)