Error on installation : Exception: Cannot update missing record 'base.user_admin'

[saxodan]

Hello, I'm trying to install the module on a Odoo 12.0-20190128 (community Edition) and i'm facing the following issue. Need some help please (i'm new in Odoo). Regards.

Erreur: Odoo Server Error

Traceback (most recent call last): File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 757, in parse self._tags[rec.tag](rec, de, mode=mode) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 612, in _tag_record raise Exception("Cannot update missing record %r" % xid) Exception: Cannot update missing record 'base.user_admin'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/usr/lib/python3/dist-packages/odoo/http.py", line 654, in _handle_exception return super(JsonRequest, self)._handle_exception(exception) File "/usr/lib/python3/dist-packages/odoo/http.py", line 312, in _handle_exception raise pycompat.reraise(type(exception), exception, sys.exc_info()[2]) File "/usr/lib/python3/dist-packages/odoo/tools/pycompat.py", line 87, in reraise raise value File "/usr/lib/python3/dist-packages/odoo/http.py", line 696, in dispatch result = self._call_function(self.params) File "/usr/lib/python3/dist-packages/odoo/http.py", line 344, in _call_function return checked_call(self.db, *args, *kwargs) File "/usr/lib/python3/dist-packages/odoo/service/model.py", line 97, in wrapper return f(dbname, args, kwargs) File "/usr/lib/python3/dist-packages/odoo/http.py", line 337, in checked_call result = self.endpoint(*a, kw) File "/usr/lib/python3/dist-packages/odoo/http.py", line 939, in call return self.method(*args, *kw) File "/usr/lib/python3/dist-packages/odoo/http.py", line 517, in response_wrap response = f(args, kw) File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 966, in call_button action = self._call_kw(model, method, args, {}) File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 954, in _call_kw return call_kw(request.env[model], method, args, kwargs) File "/usr/lib/python3/dist-packages/odoo/api.py", line 749, in call_kw return _call_kw_multi(method, model, args, kwargs) File "/usr/lib/python3/dist-packages/odoo/api.py", line 736, in _call_kw_multi result = method(recs, *args, *kwargs) File "", line 2, in button_immediate_install File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_module.py", line 73, in check_and_log return method(self, args, **kwargs) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_module.py", line 444, in button_immediate_install return self._button_immediate_function(type(self).button_install) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_module.py", line 553, in _button_immediate_function modules.registry.Registry.new(self._cr.dbname, update_module=True) File "/usr/lib/python3/dist-packages/odoo/modules/registry.py", line 86, in new odoo.modules.load_modules(registry._db, force_demo, status, update_module) File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 421, in load_modules loaded_modules, update_module, models_to_check) File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 313, in load_marked_modules perform_checks=perform_checks, models_to_check=models_to_check File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 222, in load_module_graph load_data(cr, idref, mode, kind='data', package=package, report=report) File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 68, in load_data tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind, report) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 801, in convert_file convert_xml_import(cr, module, fp, idref, mode, noupdate, report) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 864, in convert_xml_import obj.parse(doc.getroot(), mode=mode) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 763, in parse exc_info[2] File "/usr/lib/python3/dist-packages/odoo/tools/pycompat.py", line 86, in reraise raise value.with_traceback(tb) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 757, in parse self._tags[rec.tag](rec, de, mode=mode) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 612, in _tag_record raise Exception("Cannot update missing record %r" % xid) odoo.tools.convert.ParseError: "Cannot update missing record 'base.user_admin'" while parsing /mnt/extra-addons/muk_account_accountant/security/accountant_security.xml:42, near

[keshrath]

You seem to have deleted the admin user. This wont only cause problem with this Odoo, but with a lot of Apps.