diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 4c85e1d3a66..541c2299ba4 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -931,8 +931,6 @@ class AccountMoveLine(models.Model):
             raise UserError(_('Entries are not of the same account!'))
         if not (all_accounts[0].reconcile or all_accounts[0].internal_type == 'liquidity'):
             raise UserError(_('The account %s (%s) is not marked as reconciliable !') % (all_accounts[0].name, all_accounts[0].code))
-        if len(partners) > 1:
-            raise UserError(_('The partner has to be the same on all lines for receivable and payable accounts!'))
 
         #reconcile everything that can be
         remaining_moves = self.auto_reconcile_lines()
diff --git a/addons/web/static/src/js/views/list_view.js b/addons/web/static/src/js/views/list_view.js
index d875714afd2..1a60911845b 100644
--- a/addons/web/static/src/js/views/list_view.js
+++ b/addons/web/static/src/js/views/list_view.js
@@ -315,7 +315,7 @@ var ListView = View.extend({
 
                 this._limit = new_state.limit;
                 this.current_min = new_state.current_min;
-                this.reload_content().then(function() {
+                this.reload_content_when_ready().then(function() {
                     // Reset the scroll position to the top on page changed only
                     if (!limit_changed) {
                         self.set_scrollTop(0);
@@ -452,6 +452,12 @@ var ListView = View.extend({
         });
         return reloaded.promise();
     }),
+    /**
+     * Proxy allowing override when reload_content can't be called directly
+     */
+    reload_content_when_ready: function() {
+        return this.reload_content.apply(this, arguments);
+    },
     reload: function () {
         return this.reload_content();
     },
diff --git a/addons/web/static/src/js/views/list_view_editable.js b/addons/web/static/src/js/views/list_view_editable.js
index 42987a64af1..8b00fc87ead 100644
--- a/addons/web/static/src/js/views/list_view_editable.js
+++ b/addons/web/static/src/js/views/list_view_editable.js
@@ -400,6 +400,17 @@ ListView.include(/** @lends instance.web.ListView# */{
         });
         return cells;
     },
+    /**
+     * Prevent reloading content while an ongoing save
+     */
+    reload_content_when_ready: function() {
+        var self = this;
+        var self_super = this._super;
+        var original_arguments = arguments;
+        return this.saving_mutex.exec(function() {
+            return self_super.apply(self, original_arguments);
+        });
+    },
     /**
      * If currently editing a row, resizes all registered form fields based
      * on the corresponding row cell