base route was moved inside routes folder

app/routes/authenticated/roles/add.js

-import { inject as service } from '@ember/service';
-import BaseRoute from 'papermerge/base/routing';
+import { service } from '@ember/service';
+import BaseRoute from 'papermerge/routes/base';
+
 
 export default class AddRoleRoute extends BaseRoute {
   @service store;

app/routes/authenticated/roles/edit.js

-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 import RSVP from 'rsvp';
-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
+
 
 export default class EditRoleRoute extends BaseRoute {
   @service store;

app/routes/authenticated/roles/index.js

 import BaseRoute from 'papermerge/routes/base';
-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 
 
 export default class RolesRoute extends BaseRoute {

app/routes/authenticated/users/add.js

-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 import RSVP from 'rsvp';
-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
+
 
 class AddUserRoute extends BaseRoute {
   @service store;

app/routes/authenticated/users/change_password.js

-import { inject as service } from '@ember/service';
-import BaseRoute from 'papermerge/base/routing';
+import { service } from '@ember/service';
+import BaseRoute from 'papermerge/routes/base';
+
 
 export default class ChangeUserPasswordRoute extends BaseRoute {
   @service store;

app/routes/authenticated/users/edit.js

-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 import RSVP from 'rsvp';
-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
+
 
 export default class EditUserRoute extends BaseRoute {
   @service store;

app/routes/authenticated/users/index.js

-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 import BaseRoute from 'papermerge/routes/base';