diff --git a/addons/website_slides/i18n/website_slides.pot b/addons/website_slides/i18n/website_slides.pot
index 65612bd835a4e439cd431a0d40c54d8d77281b8f..375d3b14002547fee82141e12d6291d9efdebb4a 100644
--- a/addons/website_slides/i18n/website_slides.pot
+++ b/addons/website_slides/i18n/website_slides.pot
@@ -5150,6 +5150,14 @@ msgstr ""
 msgid "Yes"
 msgstr ""
 
+#. module: website_slides
+#: code:addons/website_slides/wizard/slide_channel_invite.py:0
+#, python-format
+msgid ""
+"You are not allowed to add members to this course. Please contact the course"
+" responsible or an administrator."
+msgstr ""
+
 #. module: website_slides
 #. openerp-web
 #: code:addons/website_slides/static/src/js/tours/slides_tour.js:0
diff --git a/addons/website_slides/wizard/slide_channel_invite.py b/addons/website_slides/wizard/slide_channel_invite.py
index 737651e6a35d8368eafb9c4147ecca7a64f637de..83ca90d9a29315ef506049451de9bb42d0f5b0d3 100644
--- a/addons/website_slides/wizard/slide_channel_invite.py
+++ b/addons/website_slides/wizard/slide_channel_invite.py
@@ -5,7 +5,7 @@ import logging
 import re
 
 from odoo import api, fields, models, _
-from odoo.exceptions import UserError
+from odoo.exceptions import UserError, AccessError
 from odoo.tools import formataddr
 
 _logger = logging.getLogger(__name__)
@@ -78,6 +78,12 @@ class SlideChannelInvite(models.TransientModel):
         if not self.env.user.email:
             raise UserError(_("Unable to post message, please configure the sender's email address."))
 
+        try:
+            self.channel_id.check_access_rights('write')
+            self.channel_id.check_access_rule('write')
+        except AccessError:
+            raise AccessError(_('You are not allowed to add members to this course. Please contact the course responsible or an administrator.'))
+
         mail_values = []
         for partner_id in self.partner_ids:
             slide_channel_partner = self.channel_id._action_add_members(partner_id)