diff --git a/umap/static/umap/js/components/alerts/alert.js b/umap/static/umap/js/components/alerts/alert.js
index 0d0c422e..fb37ed6d 100644
--- a/umap/static/umap/js/components/alerts/alert.js
+++ b/umap/static/umap/js/components/alerts/alert.js
@@ -1,5 +1,4 @@
 import { translate } from '../../modules/i18n.js'
-import { ServerRequest } from '../../modules/request.js'
 import { uMapElement } from '../base.js'
 
 class uMapAlert extends uMapElement {
@@ -77,9 +76,14 @@ class uMapAlertCreation extends uMapAlert {
     // biome-ignore lint/style/useNumberNamespace: Number.Infinity returns undefined by default
     duration = Infinity,
     editLink = undefined,
-    sendLink = undefined
+    sendCallback = undefined
   ) {
-    uMapAlertCreation.emit('alertCreation', { message, duration, editLink, sendLink })
+    uMapAlertCreation.emit('alertCreation', {
+      message,
+      duration,
+      editLink,
+      sendCallback,
+    })
   }
 
   constructor() {
@@ -94,7 +98,7 @@ class uMapAlertCreation extends uMapAlert {
       duration = 5000,
       message = '',
       editLink = undefined,
-      sendLink = undefined,
+      sendCallback = undefined,
     } = event.detail
     uMapAlert.prototype.onAlert.call(this, { detail: { level, duration, message } })
     this.linkWrapper.querySelector('input[type="url"]').value = editLink
@@ -104,15 +108,14 @@ class uMapAlertCreation extends uMapAlert {
       L.Util.copyToClipboard(editLink)
       event.target.value = translate('✅ Copied!')
     })
-    if (sendLink) {
+    if (sendCallback) {
       this.formWrapper.removeAttribute('hidden')
       const form = this.formWrapper.querySelector('form')
       form.addEventListener('submit', async (event) => {
         event.preventDefault()
         const formData = new FormData(form)
-        const server = new ServerRequest()
+        sendCallback(formData)
         this.removeAttribute('open')
-        await server.post(sendLink, {}, formData)
       })
     }
   }
@@ -124,12 +127,8 @@ class uMapAlertCreation extends uMapAlert {
 }
 
 class uMapAlertConflict extends uMapAlert {
-  static error(
-    message,
-    // biome-ignore lint/style/useNumberNamespace: Number.Infinity returns undefined by default
-    duration = Infinity
-  ) {
-    uMapAlertConflict.emit('alertConflict', { level: 'error', message, duration })
+  static error(message, forceCallback) {
+    uMapAlertConflict.emit('alertConflict', { level: 'error', message, forceCallback })
   }
 
   constructor() {
@@ -138,14 +137,20 @@ class uMapAlertConflict extends uMapAlert {
   }
 
   onAlertConflict(event) {
-    const { level = 'info', duration = 5000, message = '' } = event.detail
+    // biome-ignore lint/style/useNumberNamespace: Number.Infinity returns undefined by default
+    const {
+      level = 'info',
+      duration = Infinity,
+      message = '',
+      forceCallback = undefined,
+    } = event.detail
     uMapAlert.prototype.onAlert.call(this, { detail: { level, duration, message } })
     const form = this.conflictWrapper.querySelector('form')
     form.addEventListener('submit', (event) => {
       event.preventDefault()
       switch (event.submitter.id) {
         case 'your-changes':
-          uMapAlertConflict.emit('alertConflictOverride')
+          forceCallback()
           break
         case 'their-changes':
           window.location.reload()
diff --git a/umap/static/umap/js/umap.js b/umap/static/umap/js/umap.js
index d37fb559..f91f2461 100644
--- a/umap/static/umap/js/umap.js
+++ b/umap/static/umap/js/umap.js
@@ -13,7 +13,7 @@ L.Map.mergeOptions({
   // we cannot rely on this because of the y is overriden by Leaflet
   // See https://github.com/Leaflet/Leaflet/pull/9201
   // And let's remove this -y when this PR is merged and released.
-  demoTileInfos: { s: 'a', z: 9, x: 265, y: 181, '-y': 181, r: '' },
+  demoTileInfos: { 's': 'a', 'z': 9, 'x': 265, 'y': 181, '-y': 181, 'r': '' },
   licences: [],
   licence: '',
   enableMarkerDraw: true,
@@ -1063,17 +1063,14 @@ U.Map = L.Map.extend({
       this.permissions.setOptions(data.permissions)
       this.permissions.commit()
       if (data?.permissions?.anonymous_edit_url) {
-        const send_edit_link_url =
-          this.options.urls.map_send_edit_link &&
-          this.urls.get('map_send_edit_link', {
-            map_id: this.options.umap_id,
-          })
         this.once('saved', () => {
           U.AlertCreation.info(
             L._('Your map has been created with an anonymous account!'),
             Number.Infinity,
             data.permissions.anonymous_edit_url,
-            send_edit_link_url
+            this.options.urls.map_send_edit_link
+              ? this.sendEditLinkEmail.bind(this)
+              : null
           )
         })
       } else {
@@ -1887,4 +1884,13 @@ U.Map = L.Map.extend({
     })
     return bounds
   },
+
+  sendEditLinkEmail: async function (formData) {
+    const sendLink =
+      this.options.urls.map_send_edit_link &&
+      this.urls.get('map_send_edit_link', {
+        map_id: this.options.umap_id,
+      })
+    await this.server.post(sendLink, {}, formData)
+  },
 })
diff --git a/umap/static/umap/js/umap.layer.js b/umap/static/umap/js/umap.layer.js
index 5090ee1c..024d0843 100644
--- a/umap/static/umap/js/umap.layer.js
+++ b/umap/static/umap/js/umap.layer.js
@@ -1708,11 +1708,11 @@ U.DataLayer = L.Evented.extend({
           L._(
             'Whoops! Other contributor(s) changed some of the same map elements as you. ' +
               'This situation is tricky, you have to choose carefully which version is pertinent.'
-          )
+          ),
+          async () => {
+            await this._trySave(url, {}, formData)
+          }
         )
-        document.addEventListener('umap:alertConflictOverride', async (event) => {
-          await this._trySave(url, {}, formData)
-        })
       }
     } else {
       // Response contains geojson only if save has conflicted and conflicts have