diff --git a/addons/mail/models/mail_activity.py b/addons/mail/models/mail_activity.py
index 15bbeca6d3a..ade987d0988 100644
--- a/addons/mail/models/mail_activity.py
+++ b/addons/mail/models/mail_activity.py
@@ -178,8 +178,9 @@ class MailActivity(models.Model):
                 self.env[model].browse(res_ids).check_access_rule(doc_operation)
             except exceptions.AccessError:
                 raise exceptions.AccessError(
-                    _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') %
-                    (self._description, operation))
+                    _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % (self._description, operation)
+                    + ' - ({} {}, {} {})'.format(_('Records:'), res_ids[:6], _('User:'), self._uid)
+                )
 
     @api.model
     def create(self, values):
diff --git a/addons/mail/models/mail_message.py b/addons/mail/models/mail_message.py
index 0eb20f389e7..88c6c55ae5d 100644
--- a/addons/mail/models/mail_message.py
+++ b/addons/mail/models/mail_message.py
@@ -595,8 +595,9 @@ class Message(models.Model):
                                 WHERE message.message_type = %%s AND (message.subtype_id IS NULL OR subtype.internal IS TRUE) AND message.id = ANY (%%s)''' % (self._table), ('comment', self.ids,))
             if self._cr.fetchall():
                 raise AccessError(
-                    _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') %
-                    (self._description, operation))
+                    _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % (self._description, operation)
+                    + ' - ({} {}, {} {})'.format(_('Records:'), self.ids[:6], _('User:'), self._uid)
+                )
 
         # Read mail_message.ids to have their values
         message_values = dict((res_id, {}) for res_id in self.ids)
@@ -695,8 +696,9 @@ class Message(models.Model):
         if not (other_ids and self.browse(other_ids).exists()):
             return
         raise AccessError(
-            _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') %
-            (self._description, operation))
+            _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % (self._description, operation)
+            + ' - ({} {}, {} {})'.format(_('Records:'), list(other_ids)[:6], _('User:'), self._uid)
+        )
 
     @api.model
     def _get_record_name(self, values):
diff --git a/addons/website_mail/models/mail_message.py b/addons/website_mail/models/mail_message.py
index 34609160f1d..fa427c03c53 100644
--- a/addons/website_mail/models/mail_message.py
+++ b/addons/website_mail/models/mail_message.py
@@ -54,7 +54,10 @@ class MailMessage(models.Model):
         if self.user_has_groups('base.group_public'):
             self.env.cr.execute('SELECT id FROM "%s" WHERE website_published IS FALSE AND id = ANY (%%s)' % (self._table), (self.ids,))
             if self.env.cr.fetchall():
-                raise AccessError(_('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % (self._description, operation))
+                raise AccessError(
+                    _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % (self._description, operation)
+                    + ' - ({} {}, {} {})'.format(_('Records:'), self.ids[:6], _('User:'), self._uid)
+                )
         return super(MailMessage, self).check_access_rule(operation=operation)
 
     @api.multi
diff --git a/odoo/addons/base/ir/ir_actions.py b/odoo/addons/base/ir/ir_actions.py
index 7fad2116fd9..4e0a360f206 100644
--- a/odoo/addons/base/ir/ir_actions.py
+++ b/odoo/addons/base/ir/ir_actions.py
@@ -240,7 +240,10 @@ class IrActionsActWindow(models.Model):
         existing = self.filtered(lambda rec: rec.id in ids)
         if len(existing) < len(self):
             # mark missing records in cache with a failed value
-            exc = MissingError(_("Record does not exist or has been deleted."))
+            exc = MissingError(
+                _("Record does not exist or has been deleted.")
+                + '\n\n({} {}, {} {})'.format(_('Records:'), (self - existing).ids[:6], _('User:'), self._uid)
+            )
             for record in (self - existing):
                 record._cache.set_failed(self._fields, exc)
         return existing
diff --git a/odoo/addons/base/ir/ir_model.py b/odoo/addons/base/ir/ir_model.py
index 369775161f6..aa45440fcf6 100644
--- a/odoo/addons/base/ir/ir_model.py
+++ b/odoo/addons/base/ir/ir_model.py
@@ -1212,6 +1212,7 @@ class IrModelAccess(models.Model):
             else:
                 msg_tail = _("Please contact your system administrator if you think this is an error.") + "\n\n(" + _("Document model") + ": %s)"
                 msg_params = (model,)
+            msg_tail += ' - ({} {}, {} {})'.format(_('Operation:'), mode, _('User:'), self._uid)
             _logger.info('Access Denied by ACLs for operation: %s, uid: %s, model: %s', mode, self._uid, model)
             msg = '%s %s' % (msg_heads[mode], msg_tail)
             raise AccessError(msg % msg_params)
diff --git a/odoo/models.py b/odoo/models.py
index ab958f62644..eb7ffab4e26 100644
--- a/odoo/models.py
+++ b/odoo/models.py
@@ -2549,9 +2549,13 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
             if invalid_fields:
                 _logger.info('Access Denied by ACLs for operation: %s, uid: %s, model: %s, fields: %s',
                     operation, self._uid, self._name, ', '.join(invalid_fields))
-                raise AccessError(_('The requested operation cannot be completed due to security restrictions. '
-                                    'Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % \
-                                  (self._description, operation))
+                raise AccessError(
+                    _(
+                        'The requested operation cannot be completed due to security restrictions. '
+                        'Please contact your system administrator.\n\n(Document type: %s, Operation: %s)'
+                    ) % (self._description, operation)
+                    + ' - ({} {}, {} {})'.format(_('User:'), self._uid, _('Fields:'), ', '.join(invalid_fields))
+                )
 
         return fields
 
@@ -2774,8 +2778,8 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
                     (self._name, 'read', ','.join([str(r.id) for r in self][:6]), self._uid))
                 # store an access error exception in existing records
                 exc = AccessError(
-                    _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % \
-                    (self._name, 'read')
+                    _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % (self._description, 'read')
+                    + ' - ({} {}, {} {})'.format(_('Records:'), self.ids[:6], _('User:'), self._uid)
                 )
                 self.env.cache.set_failed(forbidden, self._fields.values(), exc)
 
@@ -2859,8 +2863,10 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
                 if self._uid == SUPERUSER_ID:
                     return
                 _logger.info('Access Denied by record rules for operation: %s on record ids: %r, uid: %s, model: %s', operation, forbidden_ids, self._uid, self._name)
-                raise AccessError(_('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % \
-                                    (self._description, operation))
+                raise AccessError(
+                    _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % (self._description, operation)
+                    + ' - ({} {}, {}, {})'.format(_('Records:'), forbidden_ids[:6], _('User:'), self._uid)
+                )
             else:
                 # If we get here, the missing_ids are not in the database
                 if operation in ('read','unlink'):
@@ -2869,7 +2875,13 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
                     # errors for non-transactional search/read sequences coming from clients
                     return
                 _logger.info('Failed operation on deleted record(s): %s, uid: %s, model: %s', operation, self._uid, self._name)
-                raise MissingError(_('Missing document(s)') + ':' + _('One of the documents you are trying to access has been deleted, please try again after refreshing.'))
+                raise MissingError(
+                    _('Missing document(s)') + ':' + _('One of the documents you are trying to access has been deleted, please try again after refreshing.')
+                    + '\n\n({} {}, {} {}, {} {}, {} {})'.format(
+                        _('Document type:'), self._description, _('Operation:'), operation,
+                        _('Records:'), missing_ids[:6], _('User:'), self._uid,
+                    )
+                )
 
     @api.model
     def check_access_rights(self, operation, raise_exception=True):
@@ -3211,7 +3223,10 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
             for sub_ids in cr.split_for_in_conditions(set(self.ids)):
                 cr.execute(query, params + (sub_ids,))
                 if cr.rowcount != len(sub_ids):
-                    raise MissingError(_('One of the records you are trying to modify has already been deleted (Document type: %s).') % self._description)
+                    raise MissingError(
+                        _('One of the records you are trying to modify has already been deleted (Document type: %s).') % self._description
+                        + '\n\n({} {}, {} {})'.format(_('Records:'), sub_ids[:6], _('User:'), self._uid)
+                    )
 
             # TODO: optimize
             for name in direct:
@@ -3993,7 +4008,10 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
         existing = self.browse(ids + new_ids)
         if len(existing) < len(self):
             # mark missing records in cache with a failed value
-            exc = MissingError(_("Record does not exist or has been deleted."))
+            exc = MissingError(
+                _("Record does not exist or has been deleted.")
+                + '\n\n({} {}, {} {})'.format(_('Records:'), (self - existing).ids[:6], _('User:'), self._uid)
+            )
             self.env.cache.set_failed(self - existing, self._fields.values(), exc)
         return existing