Error installing module "Attendance Management" in Odoo 11.0

[LuiggiMS]

I have successfully install module 'School' but after that when I try to install module "Attendance Management" It appear a error. It seems there is a problem with the model 'ir.needaction_mixin'.

Traceback (most recent call last): File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/http.py", line 650, in _handle_exception return super(JsonRequest, self)._handle_exception(exception) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/http.py", line 310, in _handle_exception raise pycompat.reraise(type(exception), exception, sys.exc_info()[2]) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/tools/pycompat.py", line 87, in reraise raise value File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/http.py", line 692, in dispatch result = self._call_function(**self.params) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/http.py", line 342, in _call_function return checked_call(self.db, *args, **kwargs) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/service/model.py", line 97, in wrapper return f(dbname, *args, **kwargs) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/http.py", line 335, in checked_call result = self.endpoint(*a, **kw) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/http.py", line 936, in __call__ return self.method(*args, **kw) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/http.py", line 515, in response_wrap response = f(*args, **kw) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/addons/web/controllers/main.py", line 935, in call_button action = self._call_kw(model, method, args, {}) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/addons/web/controllers/main.py", line 923, in _call_kw return call_kw(request.env[model], method, args, kwargs) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/api.py", line 689, in call_kw return call_kw_multi(method, model, args, kwargs) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/api.py", line 680, in call_kw_multi result = method(recs, *args, **kwargs) File "<decorator-gen-40>", line 2, in button_immediate_install File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/addons/base/module/module.py", line 71, in check_and_log return method(self, *args, **kwargs) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/addons/base/module/module.py", line 448, in button_immediate_install return self._button_immediate_function(type(self).button_install) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/addons/base/module/module.py", line 541, in _button_immediate_function modules.registry.Registry.new(self._cr.dbname, update_module=True) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/modules/registry.py", line 85, in new odoo.modules.load_modules(registry._db, force_demo, status, update_module) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/modules/loading.py", line 343, in load_modules loaded_modules, update_module) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/modules/loading.py", line 242, in load_marked_modules loaded, processed = load_module_graph(cr, graph, progressdict, report=report, skip_modules=loaded_modules, perform_checks=perform_checks) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/modules/loading.py", line 130, in load_module_graph model_names = registry.load(cr, package) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/modules/registry.py", line 252, in load model = cls._build_model(self, cr) File "/Users/luiggi/Desktop/enviroment-python/odoo-11.0/odoo/models.py", line 447, in _build_model raise TypeError("Model %r inherits from non-existing model %r." % (name, parent)) TypeError: Model 'studentleave.request' inherits from non-existing model 'ir.needaction_mixin'.

[JayVora-SerpentCS]

Doesn't seem to happen with our set of modules. Please recheck with latest source, and also make sure any 3rd party app does not conlfict.