diff --git a/src/app/collection-page/edit-collection-page/collection-roles/collection-roles.component.spec.ts b/src/app/collection-page/edit-collection-page/collection-roles/collection-roles.component.spec.ts
index 985290a592..5a8ca5b7ab 100644
--- a/src/app/collection-page/edit-collection-page/collection-roles/collection-roles.component.spec.ts
+++ b/src/app/collection-page/edit-collection-page/collection-roles/collection-roles.component.spec.ts
@@ -13,6 +13,8 @@ import { RouterTestingModule } from '@angular/router/testing';
 import { createSuccessfulRemoteDataObject, createSuccessfulRemoteDataObject$ } from '../../../shared/remote-data.utils';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { ComcolModule } from '../../../shared/comcol/comcol.module';
+import { NotificationsService } from '../../../shared/notifications/notifications.service';
+import { NotificationsServiceStub } from '../../../shared/testing/notifications-service.stub';
 
 describe('CollectionRolesComponent', () => {
 
@@ -79,6 +81,7 @@ describe('CollectionRolesComponent', () => {
         { provide: ActivatedRoute, useValue: route },
         { provide: RequestService, useValue: requestService },
         { provide: GroupDataService, useValue: groupDataService },
+        { provide: NotificationsService, useClass: NotificationsServiceStub }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();
diff --git a/src/app/community-page/edit-community-page/community-roles/community-roles.component.spec.ts b/src/app/community-page/edit-community-page/community-roles/community-roles.component.spec.ts
index d1188df02d..baea5fb9d0 100644
--- a/src/app/community-page/edit-community-page/community-roles/community-roles.component.spec.ts
+++ b/src/app/community-page/edit-community-page/community-roles/community-roles.component.spec.ts
@@ -13,6 +13,8 @@ import { RouterTestingModule } from '@angular/router/testing';
 import { createSuccessfulRemoteDataObject, createSuccessfulRemoteDataObject$ } from '../../../shared/remote-data.utils';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { ComcolModule } from '../../../shared/comcol/comcol.module';
+import { NotificationsService } from '../../../shared/notifications/notifications.service';
+import { NotificationsServiceStub } from '../../../shared/testing/notifications-service.stub';
 
 describe('CommunityRolesComponent', () => {
 
@@ -64,6 +66,7 @@ describe('CommunityRolesComponent', () => {
         { provide: ActivatedRoute, useValue: route },
         { provide: RequestService, useValue: requestService },
         { provide: GroupDataService, useValue: groupDataService },
+        { provide: NotificationsService, useClass: NotificationsServiceStub }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();
diff --git a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html
index b0a319b4ff..905186a232 100644
--- a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html
+++ b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html
@@ -4,7 +4,7 @@
        *ngVar="group$ | async as group">
 
     <h5 class="w-100">
-      {{'comcol-role.edit.' + (comcolRole$ | async)?.name + '.name' | translate}}
+      {{ roleName$ | async }}
     </h5>
 
     <div class="mt-2 mb-2">
diff --git a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.spec.ts b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.spec.ts
index 175abe48e4..59fc95b67f 100644
--- a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.spec.ts
+++ b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.spec.ts
@@ -10,6 +10,8 @@ import { RouterTestingModule } from '@angular/router/testing';
 import { createFailedRemoteDataObject$, createSuccessfulRemoteDataObject$ } from '../../../../remote-data.utils';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { ComcolModule } from '../../../comcol.module';
+import { NotificationsService } from '../../../../notifications/notifications.service';
+import { NotificationsServiceStub } from '../../../../testing/notifications-service.stub';
 
 describe('ComcolRoleComponent', () => {
 
@@ -20,6 +22,7 @@ describe('ComcolRoleComponent', () => {
   let group;
   let statusCode;
   let comcolRole;
+  let notificationsService;
 
   const requestService = { hasByHref$: () => observableOf(true) };
 
@@ -40,6 +43,7 @@ describe('ComcolRoleComponent', () => {
       providers: [
         { provide: GroupDataService, useValue: groupService },
         { provide: RequestService, useValue: requestService },
+        { provide: NotificationsService, useClass: NotificationsServiceStub }
       ], schemas: [
         NO_ERRORS_SCHEMA
       ]
@@ -59,12 +63,14 @@ describe('ComcolRoleComponent', () => {
       fixture = TestBed.createComponent(ComcolRoleComponent);
       comp = fixture.componentInstance;
       de = fixture.debugElement;
+      notificationsService = TestBed.inject(NotificationsService);
 
       comcolRole = {
         name: 'test role name',
         href: 'test role link',
       };
       comp.comcolRole = comcolRole;
+      comp.roleName$ = observableOf(comcolRole.name);
 
       fixture.detectChanges();
     });
@@ -101,6 +107,18 @@ describe('ComcolRoleComponent', () => {
         done();
       });
     });
+
+    describe('when a group cannot be created', () => {
+      beforeEach(() => {
+        groupService.createComcolGroup.and.returnValue(createFailedRemoteDataObject$());
+        de.query(By.css('.btn.create')).nativeElement.click();
+      });
+
+      it('should show an error notification', (done) => {
+        expect(notificationsService.error).toHaveBeenCalled();
+        done();
+      });
+    });
   });
 
   describe('when the related group is the Anonymous group', () => {
@@ -169,5 +187,17 @@ describe('ComcolRoleComponent', () => {
         done();
       });
     });
+
+    describe('when a group cannot be deleted', () => {
+      beforeEach(() => {
+        groupService.deleteComcolGroup.and.returnValue(createFailedRemoteDataObject$());
+        de.query(By.css('.btn.delete')).nativeElement.click();
+      });
+
+      it('should show an error notification', (done) => {
+        expect(notificationsService.error).toHaveBeenCalled();
+        done();
+      });
+    });
   });
 });
diff --git a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.ts b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.ts
index 7ed88fae1c..3091dd0cf0 100644
--- a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.ts
+++ b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.ts
@@ -12,6 +12,8 @@ import { HALLink } from '../../../../../core/shared/hal-link.model';
 import { getGroupEditRoute } from '../../../../../access-control/access-control-routing-paths';
 import { hasNoValue, hasValue } from '../../../../empty.util';
 import { NoContent } from '../../../../../core/shared/NoContent.model';
+import { NotificationsService } from '../../../../notifications/notifications.service';
+import { TranslateService } from '@ngx-translate/core';
 
 /**
  * Component for managing a community or collection role.
@@ -64,9 +66,16 @@ export class ComcolRoleComponent implements OnInit {
    */
   hasCustomGroup$: Observable<boolean>;
 
+  /**
+   * The human-readable name of this role
+   */
+  roleName$: Observable<string>;
+
   constructor(
     protected requestService: RequestService,
     protected groupService: GroupDataService,
+    protected notificationsService: NotificationsService,
+    protected translateService: TranslateService,
   ) {
   }
 
@@ -101,7 +110,12 @@ export class ComcolRoleComponent implements OnInit {
         this.groupService.clearGroupsRequests();
         this.requestService.setStaleByHrefSubstring(this.comcolRole.href);
       } else {
-        // TODO show error notification
+        this.notificationsService.error(
+          this.roleName$.pipe(
+            switchMap(role => this.translateService.get('comcol-role.edit.create.error.title', { role }))
+          ),
+          `${rd.statusCode} ${rd.errorMessage}`
+        );
       }
     });
   }
@@ -117,7 +131,12 @@ export class ComcolRoleComponent implements OnInit {
         this.groupService.clearGroupsRequests();
         this.requestService.setStaleByHrefSubstring(this.comcolRole.href);
       } else {
-        // TODO show error notification
+        this.notificationsService.error(
+          this.roleName$.pipe(
+            switchMap(role => this.translateService.get('comcol-role.edit.delete.error.title', { role }))
+          ),
+          rd.errorMessage
+        );
       }
     });
   }
@@ -154,5 +173,7 @@ export class ComcolRoleComponent implements OnInit {
     this.hasCustomGroup$ = this.group$.pipe(
       map((group: Group) => hasValue(group) && group.name !== 'Anonymous'),
     );
+
+    this.roleName$ = this.translateService.get(`comcol-role.edit.${this.comcolRole.name}.name`);
   }
 }
diff --git a/src/assets/i18n/en.json5 b/src/assets/i18n/en.json5
index a13cacd92c..bbfc9e7332 100644
--- a/src/assets/i18n/en.json5
+++ b/src/assets/i18n/en.json5
@@ -1105,10 +1105,14 @@
 
   "comcol-role.edit.create": "Create",
 
+  "comcol-role.edit.create.error.title": "Failed to create a group for the '{{ role }}' role",
+
   "comcol-role.edit.restrict": "Restrict",
 
   "comcol-role.edit.delete": "Delete",
 
+  "comcol-role.edit.delete.error.title": "Failed to delete the '{{ role }}' role's group",
+
 
   "comcol-role.edit.community-admin.name": "Administrators",