diff --git a/NEWS.rst b/NEWS.rst
index 776bbf9e11c8c83917a6c56ab7f4808f2facedc0_TkVXUy5yc3Q=..75d50a78a1672a95e086d213a24ae816d1658c38_TkVXUy5yc3Q= 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -2,6 +2,11 @@
 History
 =======
 
+20.3.0
+------
+
+docker_dev_start: clearer message for missing redner image name.
+
 20.2.0
 ------
 
diff --git a/odoo_scripts/docker_dev_start.py b/odoo_scripts/docker_dev_start.py
index 776bbf9e11c8c83917a6c56ab7f4808f2facedc0_b2Rvb19zY3JpcHRzL2RvY2tlcl9kZXZfc3RhcnQucHk=..75d50a78a1672a95e086d213a24ae816d1658c38_b2Rvb19zY3JpcHRzL2RvY2tlcl9kZXZfc3RhcnQucHk= 100755
--- a/odoo_scripts/docker_dev_start.py
+++ b/odoo_scripts/docker_dev_start.py
@@ -54,5 +54,5 @@
 
 _logger = logging.getLogger(__name__)
 
-__version__ = "3.11.0"
+__version__ = "3.12.0"
 __date__ = "2017-08-11"
@@ -58,5 +58,5 @@
 __date__ = "2017-08-11"
-__updated__ = "2023-03-22"
+__updated__ = "2023-04-21"
 
 
 def __parser(project_name: str) -> ArgumentParser:
@@ -1074,7 +1074,9 @@
                 _logger.info("Creating extension hstore if necessary")
                 cursor.execute("CREATE EXTENSION IF NOT EXISTS hstore")
         if config.rednerd_repository is None:
-            _logger.fatal("Missing rednerd image repository in configuration")
+            _logger.fatal(
+                "Missing rednerd image name (rednerd_repository) in configuration"
+            )
             return 81
         redner_docker = DockerRednerd(
             DockerClient.client,