diff --git a/royalnet/engineer/blueprints/message.py b/royalnet/engineer/blueprints/message.py
index b10e1cb7..3ce12080 100644
--- a/royalnet/engineer/blueprints/message.py
+++ b/royalnet/engineer/blueprints/message.py
@@ -45,6 +45,7 @@ class Message(Blueprint, metaclass=abc.ABCMeta):
         :raises .exc.NeverAvailableError: If the chat platform does not support channels.
         :raises .exc.NotAvailableError: If this message was not sent in any channel.
         """
+        raise exc.NeverAvailableError()
 
 
 __all__ = (
diff --git a/royalnet/engineer/blueprints/user.py b/royalnet/engineer/blueprints/user.py
index c44fc970..81fd473f 100644
--- a/royalnet/engineer/blueprints/user.py
+++ b/royalnet/engineer/blueprints/user.py
@@ -27,6 +27,7 @@ class User(Blueprint, metaclass=abc.ABCMeta):
         :param session: A :class:`sqlalchemy.orm.Session` instance to use to fetch the database entry.
         :return: The database entry for this user.
         """
+        raise exc.NeverAvailableError()
 
 
 __all__ = (
diff --git a/royalnet/engineer/exc.py b/royalnet/engineer/exc.py
index 39b1eb0d..07bb9e99 100644
--- a/royalnet/engineer/exc.py
+++ b/royalnet/engineer/exc.py
@@ -19,7 +19,7 @@ class NeverAvailableError(BlueprintError, NotImplementedError):
     The requested property is never supplied by the chat platform the message was sent in.
     """
 
-    priority = -1
+    priority = 1
 
 
 class NotAvailableError(BlueprintError):
@@ -27,7 +27,7 @@ class NotAvailableError(BlueprintError):
     The requested property was not supplied by the chat platform for the specific message this exception was raised in.
     """
 
-    priority = -2
+    priority = 2
 
 
 class TeleporterError(EngineerException, pydantic.ValidationError):