diff --git a/src/app/core/components/feedback/feedback.component.html b/src/app/core/components/feedback/feedback.component.html
index 752b8b2bbb2cbed951c47ce5ae0cdf5168029d60..4573b248d1c675fcb01a522db297274420e30159 100644
--- a/src/app/core/components/feedback/feedback.component.html
+++ b/src/app/core/components/feedback/feedback.component.html
@@ -1,17 +1,19 @@
-<button tabindex="0" class="feedback-header" (click)="toogle()" [ngClass]="{'expended': isExpended, 'closed': shouldBeAnimated}">
-  <svg xmlns="http://www.w3.org/2000/svg" id="chevron" viewBox="0 0 15 9">
-    <path d="M7.5 7.5c-.1 0-.3-.1-.4-.1l-6-6C1 1.1 1 .8 1.1.6s.5-.2.7 0l5.6 5.6L13 .6c.2-.2.5-.2.7 0s.2.5 0 .7l-6 6c.1.1-.1.2-.2.2z"
-      class="brandcolor" />
-    <path d="M7.5 7.5c-.1 0-.3-.1-.4-.1l-6-6C1 1.1 1 .8 1.1.6s.5-.2.7 0l5.6 5.6L13 .6c.2-.2.5-.2.7 0s.2.5 0 .7l-6 6c.1.1-.1.2-.2.2z"
-      class="brandcolor" />
-  </svg>
-  <span i18n="@@feedback.giveYourFeedback">Gives us your opinion</span>
-</button>
-<form [formGroup]="feedbackForm" (ngSubmit)="sendFeedback()" [ngClass]="{'expended': isExpended, 'closed': shouldBeAnimated}">
-  <textarea id="message" formControlName="message" [placeholder]="feedback.placeholder"></textarea>
-  <div class="action">
-    <button type="submit" class="button" i18n="@@feedback.send" [disabled]="feedbackForm.invalid">
-      Send
-    </button>
-  </div>
-</form>
+<div class="feedback-container">
+  <button tabindex="0" class="feedback-header" (click)="toogle()" [ngClass]="{'expended': isExpended, 'closed': shouldBeAnimated}">
+    <svg xmlns="http://www.w3.org/2000/svg" id="chevron" viewBox="0 0 15 9">
+      <path d="M7.5 7.5c-.1 0-.3-.1-.4-.1l-6-6C1 1.1 1 .8 1.1.6s.5-.2.7 0l5.6 5.6L13 .6c.2-.2.5-.2.7 0s.2.5 0 .7l-6 6c.1.1-.1.2-.2.2z"
+        class="brandcolor" />
+      <path d="M7.5 7.5c-.1 0-.3-.1-.4-.1l-6-6C1 1.1 1 .8 1.1.6s.5-.2.7 0l5.6 5.6L13 .6c.2-.2.5-.2.7 0s.2.5 0 .7l-6 6c.1.1-.1.2-.2.2z"
+        class="brandcolor" />
+    </svg>
+    <span i18n="@@feedback.giveYourFeedback">Gives us your opinion</span>
+  </button>
+  <form [formGroup]="feedbackForm" (ngSubmit)="sendFeedback()" [ngClass]="{'expended': isExpended, 'closed': shouldBeAnimated}">
+    <textarea id="message" formControlName="message" [placeholder]="feedback.placeholder"></textarea>
+    <div class="action">
+      <button type="submit" class="button" i18n="@@feedback.send" [disabled]="feedbackForm.invalid">
+        Send
+      </button>
+    </div>
+  </form>
+</div>
diff --git a/src/app/core/components/notifications/notifications.component.scss b/src/app/core/components/notifications/notifications.component.scss
index 5380e0399e9f5d170f96614a74586b39587e5312..0888fb53f0e6bb905f8ba2f20a66931a15dc386a 100644
--- a/src/app/core/components/notifications/notifications.component.scss
+++ b/src/app/core/components/notifications/notifications.component.scss
@@ -4,7 +4,7 @@ $app-notification-width: 29rem;
 
 .app-notifications {
   position: fixed;
-  z-index: 1;
+  z-index: 10;
   bottom: 0.5rem;
   right: 0.5rem;
 
diff --git a/src/app/geosource/components/dataset-detail/dataset-detail.component.html b/src/app/geosource/components/dataset-detail/dataset-detail.component.html
index 2253de5795763989289096c93e59e6282c31f230..ed7db459004034c44638202ad8c845f50c83c2bf 100644
--- a/src/app/geosource/components/dataset-detail/dataset-detail.component.html
+++ b/src/app/geosource/components/dataset-detail/dataset-detail.component.html
@@ -1,7 +1,7 @@
 <div class="page-details-background-image"></div>
 <div class="page-container has-white-background" *ngIf="metadata" [ngClass]="{'blury' : isLoading}">
   <div class="details-header">
-    <app-page-header [pageInfo]="pageHeaderInfo"></app-page-header>
+    <app-page-header [pageInfo]="pageHeaderInfo" [customGoToPreviousPage]="goToPreviousPage"></app-page-header>
   </div>
 
   <div class="tabulations">
diff --git a/src/app/geosource/components/results/result-dataset/result-dataset.component.ts b/src/app/geosource/components/results/result-dataset/result-dataset.component.ts
index e576141954c6eeabc31e174d7b858bfe414353c2..f01dd90521bfc84d8c3779e651203d23c472c124 100644
--- a/src/app/geosource/components/results/result-dataset/result-dataset.component.ts
+++ b/src/app/geosource/components/results/result-dataset/result-dataset.component.ts
@@ -21,8 +21,6 @@ export class ResultDatasetComponent implements OnInit {
 
   constructor() { }
 
-  ngOnInit() {
-    console.log(this.dataset.metadata.type);
-  }
+  ngOnInit() {}
 
 }
diff --git a/src/app/map/services/map.service.ts b/src/app/map/services/map.service.ts
index 570d6770ad36d02d9e2d6539b2c51a085255634f..48cd62fc563fc13f7e09c2620885973344afc088 100644
--- a/src/app/map/services/map.service.ts
+++ b/src/app/map/services/map.service.ts
@@ -1,9 +1,9 @@
 import { Injectable } from '@angular/core';
-import { Observable, Subject, BehaviorSubject, of } from 'rxjs';
+import { Observable, Subject, BehaviorSubject, of, fromEvent, Subscription } from 'rxjs';
 import { Metadata, IMetadataLink } from '../../geosource/models';
 import { Notification } from '../../core/models';
 import * as mapboxgl from 'mapbox-gl';
-import { map, catchError } from 'rxjs/operators';
+import { map, catchError, debounceTime } from 'rxjs/operators';
 import { ElasticsearchService } from '../../geosource/services/elasticsearch.service';
 import { NotificationService } from '../../core/services';
 import { notificationMessages } from '../../../i18n/traductions.fr';
@@ -37,6 +37,7 @@ export class MapService {
 
   private _mapSubject = new Subject<any>();
   private _panelState = new BehaviorSubject<any>({ state: false });
+  private _errorSubscription: Subscription;
 
   selectedFeature; // Contains the gid of the selected feature
 
@@ -66,11 +67,20 @@ export class MapService {
     this.selectedBaseLayer = baseLayer;
 
     this.url = url;
-    this._map = new mapboxgl.Map(options).on('error', (error) => {
-      this._notificationService.notify(new Notification({
-        message: notificationMessages.geosource.mapError,
-        type: 'error',
-      }));
+    this._map = new mapboxgl.Map(options);
+
+    // Create an observable from the map error event and only emit after 1s in order
+    // to avoid to many error at the same time
+    const errorObservable = fromEvent(this._map, 'error').pipe(debounceTime(1000));
+
+    // Subscribe to the error observable and send a notification
+    this._errorSubscription = errorObservable.subscribe((v) => {
+      this._notificationService.notify(
+        new Notification({
+          message: notificationMessages.geosource.mapError,
+          type: 'error',
+        }),
+      );
     });
 
     if (addControls) {
@@ -458,6 +468,7 @@ export class MapService {
 
   destroyMap() {
     this._map.remove();
+    this._errorSubscription.unsubscribe();
   }
 
   switch3DLayer() {
diff --git a/src/app/shared/components/page-header/page-header.component.ts b/src/app/shared/components/page-header/page-header.component.ts
index 3166c6e3ce8d934a71d8988783e7d5f943d8add5..e5bb17ba867315d6ae3a6eaab4ce84b1423a457b 100644
--- a/src/app/shared/components/page-header/page-header.component.ts
+++ b/src/app/shared/components/page-header/page-header.component.ts
@@ -17,19 +17,24 @@ export class PageHeaderComponent implements OnInit {
   ) { }
 
   @Input() pageInfo: IPageHeaderInfo;
+  @Input() customGoToPreviousPage: any;
 
   ngOnInit() {
   }
 
   goToPreviousPage() {
-    const index = 1; // Start to retrieve the previous element
-    let url = this._navigationHistoryService.getFromLast(index);
+    if (this.customGoToPreviousPage) {
+      this.customGoToPreviousPage();
+    } else {
+      const index = 1; // Start to retrieve the previous element
+      let url = this._navigationHistoryService.getFromLast(index);
 
-    // If url is null then redirect to home page
-    if (url == null) {
-      url = `/${AppRoutes.home.uri}`;
+      // If url is null then redirect to home page
+      if (url == null) {
+        url = `/${AppRoutes.home.uri}`;
+      }
+      this._router.navigateByUrl(url);
     }
-    this._router.navigateByUrl(url);
   }
 
 }