diff --git a/src/risotto/controller.py b/src/risotto/controller.py
index 1ac8223..1a829b8 100644
--- a/src/risotto/controller.py
+++ b/src/risotto/controller.py
@@ -20,10 +20,10 @@ class Controller:
         version, module, message = uri.split('.', 2)
         uri = module + '.' + message
         if module not in self.risotto_modules:
-            return await remote.call_or_publish(module,
-                                                version,
-                                                message,
-                                                kwargs)
+            return await remote.remove_call(module,
+                                            version,
+                                            message,
+                                            kwargs)
         return await dispatcher.call(version,
                                      uri,
                                      risotto_context,
@@ -37,14 +37,15 @@ class Controller:
         version, module, submessage = uri.split('.', 2)
         version, message = uri.split('.', 1)
         if module not in self.risotto_modules:
-            await remote.call_or_publish(module,
-                                         version,
-                                         submessage,
-                                         kwargs)
-        await dispatcher.publish(version,
-                                 message,
-                                 risotto_context,
-                                 **kwargs)
+            await remote.remove_call(module,
+                                     version,
+                                     submessage,
+                                     kwargs)
+        else:
+            await dispatcher.publish(version,
+                                     message,
+                                     risotto_context,
+                                     **kwargs)
 
     async def on_join(self,
                       risotto_context):
diff --git a/src/risotto/dispatcher.py b/src/risotto/dispatcher.py
index a9d4ae9..301d4ea 100644
--- a/src/risotto/dispatcher.py
+++ b/src/risotto/dispatcher.py
@@ -134,7 +134,10 @@ class PublishDispatcher:
                                                  version,
                                                  message,
                                                  'event')
-        function_objs = self.messages[version][message].get('functions', [])
+        try:
+            function_objs = self.messages[version][message].get('functions', [])
+        except KeyError:
+            raise ValueError(_(f'cannot find message {version}.{message}'))
         # do not start a new database connection
         if hasattr(old_risotto_context, 'connection'):
             risotto_context.connection = old_risotto_context.connection
diff --git a/src/risotto/logger.py b/src/risotto/logger.py
index 12f9f36..ae9f89e 100644
--- a/src/risotto/logger.py
+++ b/src/risotto/logger.py
@@ -1,5 +1,8 @@
 from typing import Dict, Any
 from json import dumps
+from asyncpg.exceptions import UndefinedTableError
+
+
 from .context import Context
 from .utils import _
 from .config import get_config
@@ -23,7 +26,10 @@ class Logger:
             args.append(dumps(data))
 
         sql = insert + ') ' + values + ')'
-        await risotto_context.connection.fetch(sql, *args)
+        try:
+            await risotto_context.connection.fetch(sql, *args)
+        except UndefinedTableError as err:
+            raise Exception(_(f'cannot access to database ({err}), was the database really created?'))
 
     def _get_message_paths(self,
                            risotto_context: Context):
diff --git a/src/risotto/remote.py b/src/risotto/remote.py
index a95d6ca..777b540 100644
--- a/src/risotto/remote.py
+++ b/src/risotto/remote.py
@@ -5,18 +5,19 @@ from tiramisu_api import Config
 
 
 from .config import get_config
+from .utils import _
 #
 #
-# ALLOW_INSECURE_HTTPS = get_config()['submodule']['allow_insecure_https']
+# ALLOW_INSECURE_HTTPS = get_config()['module']['allow_insecure_https']
 
 
 class Remote:
     submodules = {}
 
     async def _get_config(self,
-                          submodule: str,
+                          module: str,
                           url: str) -> None:
-        if submodule not in self.submodules:
+        if module not in self.submodules:
             session = ClientSession()
             async with session.get(url) as resp:
                 if resp.status != 200:
@@ -27,22 +28,25 @@ class Remote:
                         err = await resp.text()
                     raise Exception(err)
                 json = await resp.json()
-            self.submodules[submodule] = json
-        return Config(self.submodules[submodule])
+            self.submodules[module] = json
+        return Config(self.submodules[module])
 
     async def remove_call(self,
-                          submodule: str,
+                          module: str,
                           version: str,
-                          message: str,
+                          submessage: str,
                           payload) -> dict:
-        domain_name = get_config()['submodule'][submodule]
+        try:
+            domain_name = get_config()['module'][module]
+        except KeyError:
+            raise ValueError(_(f'cannot find information of remote module "{module}" to access to "{version}.{module}.{submessage}"'))
         remote_url = f'http://{domain_name}:8080/api/{version}'
-        message_url = f'{remote_url}/{message}'
+        message_url = f'{remote_url}/{submessage}'
 
-        config = await self._get_config(submodule,
+        config = await self._get_config(module,
                                         remote_url)
         for key, value in payload.items():
-            path = message + '.' + key
+            path = submessage + '.' + key
             config.option(path).value.set(value)
         session = ClientSession()
         async with session.post(message_url, data=dumps(payload)) as resp: