diff --git a/addons/project/i18n/project.pot b/addons/project/i18n/project.pot
index 71387654deb..3aaa1dd3029 100644
--- a/addons/project/i18n/project.pot
+++ b/addons/project/i18n/project.pot
@@ -5791,12 +5791,6 @@ msgstr ""
 msgid "You can only set a personal stage on a private task."
 msgstr ""
 
-#. module: project
-#: code:addons/project/models/project.py:0
-#, python-format
-msgid "You cannot %s %s fields in task."
-msgstr ""
-
 #. module: project
 #: code:addons/project/models/analytic_account.py:0
 #, python-format
@@ -5826,6 +5820,20 @@ msgid ""
 "their tasks."
 msgstr ""
 
+#. module: project
+#. odoo-python
+#: code:addons/project/models/project.py:0
+#, python-format
+msgid "You cannot read %s fields in task."
+msgstr ""
+
+#. module: project
+#. odoo-python
+#: code:addons/project/models/project.py:0
+#, python-format
+msgid "You cannot write on %s fields in task."
+msgstr ""
+
 #. module: project
 #: code:addons/project/models/project.py:0
 #, python-format
diff --git a/addons/project/models/project.py b/addons/project/models/project.py
index 6f289f7d83f..96016ebe998 100644
--- a/addons/project/models/project.py
+++ b/addons/project/models/project.py
@@ -1880,7 +1880,11 @@ class Task(models.Model):
         if fields and (not check_group_user or self.env.user.has_group('base.group_portal')) and not self.env.su:
             unauthorized_fields = set(fields) - (self.SELF_READABLE_FIELDS if operation == 'read' else self.SELF_WRITABLE_FIELDS)
             if unauthorized_fields:
-                raise AccessError(_('You cannot %s %s fields in task.', operation if operation == 'read' else '%s on' % operation, ', '.join(unauthorized_fields)))
+                if operation == 'read':
+                    error_message = _('You cannot read %s fields in task.', ', '.join(unauthorized_fields))
+                else:
+                    error_message = _('You cannot write on %s fields in task.', ', '.join(unauthorized_fields))
+                raise AccessError(error_message)
 
     def read(self, fields=None, load='_classic_read'):
         self._ensure_fields_are_accessible(fields)