diff --git a/server/src/types.rs b/server/src/types.rs
index c05cbf8..3ae4d42 100644
--- a/server/src/types.rs
+++ b/server/src/types.rs
@@ -3,20 +3,22 @@ use tarpc::serde::{Deserialize, Serialize};
 #[tarpc::service]
 pub trait RealmChat {
 	async fn test(name: String) -> String;
-	async fn send_message(message: Message) -> SuccessCode;
+	async fn send_message(message: Message) -> ErrorCode;
 
-	async fn get_message_from_guid(guid: String) -> Message;
-	async fn get_rooms() -> Vec<Room>;
-	async fn get_room(roomid: String) -> Room;
-	async fn get_user(userid: String) -> User;
-	async fn get_joined_users() -> Vec<User>;
-	async fn get_online_users() -> Vec<User>;
+	async fn get_message_from_guid(guid: String) -> Result<Message, ErrorCode>;
+	async fn get_rooms() -> Result<Vec<Room>, ErrorCode>;
+	async fn get_room(roomid: String) -> Result<Room, ErrorCode>;
+	async fn get_user(userid: String) -> Result<User, ErrorCode>;
+	async fn get_joined_users() -> Result<Vec<User>, ErrorCode>;
+	async fn get_online_users() -> Result<Vec<User>, ErrorCode>;
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
-pub enum SuccessCode {
-	Success = 200,
-	Error = 400,
+pub enum ErrorCode {
+	None = 0,
+	Error,
+	Unauthorized,
+	NotFound,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]