Refactor: add error handling for unknown channel type

See #146 (closed)

src/aura_engine/core/channels.py

@@ -601,6 +601,8 @@ class ChannelFactory:
         Returns:
             (GenericChannel): A concrete implementation of the generic channel
 
+        Raises:
+            ValueError: If no matching channel type is found
         """
         if channel_name in ChannelType.QUEUE.channels:
             self.logger.debug(f"Create new QUEUE channel '{channel_name}'")
@@ -611,8 +613,11 @@ class ChannelFactory:
         if channel_name in ChannelType.LIVE.channels:
             self.logger.debug(f"Create new LINE channel '{channel_name}'")
             return LineChannel(channel_index, channel_name, mixer)
-        # FIXME: Error handling when no ChannelType was found
-        self.logger.error("No ChannelType found! Now stuff is not working as intended")
+        error_message = (
+            f"No valid ChannelType found for channel '{channel_name}'. Not working as intended."
+        )
+        self.logger.error(error_message)
+        raise ValueError(error_message)
 
 
 class PlayoutStatusResponse(StrEnum):