[IMP] in Odoo 12 admin user is user_admin and no more user_root

easy_my_coop/security/easy_my_coop_security.xml

@@ -17,14 +17,14 @@
             <field name="name">Manager</field>
             <field name="category_id" ref="module_category_cooperator_management"/>
             <field name="implied_ids" eval="[(4, ref('group_easy_my_coop_user'))]"/>
-            <field name="users" eval="[(4, ref('base.user_root'))]"/>
+            <field name="users" eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"/>
         </record>
         
         <record id="group_easy_my_coop_super_manager" model="res.groups">
             <field name="name">Super Manager</field>
             <field name="category_id" ref="module_category_cooperator_management"/>
             <field name="implied_ids" eval="[(4, ref('group_easy_my_coop_manager'))]"/>
-            <field name="users" eval="[(4, ref('base.user_root'))]"/>
+            <field name="users" eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"/>
         </record>
 
     </data>