diff --git a/addons/hw_escpos/escpos/escpos.py b/addons/hw_escpos/escpos/escpos.py
index 28f02e9456f..7fc0e196b39 100644
--- a/addons/hw_escpos/escpos/escpos.py
+++ b/addons/hw_escpos/escpos/escpos.py
@@ -528,7 +528,7 @@ class Escpos:
             # https://github.com/python-escpos/python-escpos/pull/98/files#diff-a0b1df12c7c67e38915adbe469051e2dR444
             self._raw('\x00')
         else:
-            raise exception.BarcodeCodeError()
+            raise BarcodeCodeError()
 
     def receipt(self,xml):
         """
diff --git a/addons/website_forum/models/forum.py b/addons/website_forum/models/forum.py
index 26c8886f183..a4a78fc0a92 100644
--- a/addons/website_forum/models/forum.py
+++ b/addons/website_forum/models/forum.py
@@ -497,7 +497,7 @@ class Post(models.Model):
                     self.env.user.sudo().add_karma(post.forum_id.karma_gen_answer_accept * mult)
         if 'tag_ids' in vals:
             tag_ids = set(tag.get('id') for tag in self.resolve_2many_commands('tag_ids', vals['tag_ids']))
-            if any(set(post.tag_ids) != tag_ids for post in self) and any(self.env.user.karma < post.forum_id.karma_edit_retag for post in self):
+            if any(set(post.tag_ids.ids) != tag_ids for post in self) and any(self.env.user.karma < post.forum_id.karma_edit_retag for post in self):
                 raise KarmaError(_('Not enough karma to retag.'))
         if any(key not in trusted_keys for key in vals) and any(not post.can_edit for post in self):
             raise KarmaError('Not enough karma to edit a post.')
diff --git a/addons/website_forum/views/website_forum.xml b/addons/website_forum/views/website_forum.xml
index e98e64aee2a..6d42698a689 100644
--- a/addons/website_forum/views/website_forum.xml
+++ b/addons/website_forum/views/website_forum.xml
@@ -620,7 +620,7 @@
             <div t-if="not is_answer">
                 <br/>
                 <input type="hidden" name="karma_edit_retag" t-attf-value="#{forum.karma_edit_retag}" id="karma_edit_retag"/>
-                <input type="text" name="post_tags" class="form-control col-md-9 js_select2" placeholder="Tags" t-attf-data-init-value="#{tags}" value="Tags"/>
+                <input type="text" name="post_tags" class="form-control col-md-9 js_select2" placeholder="Tags" t-attf-data-init-value="#{tags}" value="Tags" t-att-readonly="user.karma &lt; forum.karma_edit_retag" t-att-title="'You need to have sufficient karma to edit tags' if user.karma &lt; forum.karma_edit_retag else ''"/>
                 <br/>
             </div>
             <button type="submit" class="btn btn-primary btn-lg">Save</button>
diff --git a/doc/reference/guidelines.rst b/doc/reference/guidelines.rst
index ae0ab00555d..ec7e3c98cbe 100644
--- a/doc/reference/guidelines.rst
+++ b/doc/reference/guidelines.rst
@@ -222,7 +222,6 @@ Use the following pattern :
   *concerned_group* is the short name of the concerned group ('user'
   for the 'model_name_group_user', 'public' for public user, 'company'
   for multi-company rules, ...).
-* For a group : :samp:`{<model_name>}_group_{<group_name>}` where *group_name* is the name of the group, generally 'user', 'manager', ...
 
 .. code-block:: xml
 
diff --git a/odoo/addons/base/ir/ir_translation.py b/odoo/addons/base/ir/ir_translation.py
index 6ef8d90a40a..41c4e336f39 100644
--- a/odoo/addons/base/ir/ir_translation.py
+++ b/odoo/addons/base/ir/ir_translation.py
@@ -477,6 +477,7 @@ class IrTranslation(models.Model):
                             discarded += trans
                         else:
                             trans.write({'src': matches[0], 'state': trans.state})
+                            trans_src.append(matches[0])  # avoid reuse of term
                     else:
                         outdated += trans