diff --git a/src/error.rs b/src/error.rs
index 537dfb7..ee760de 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -6,4 +6,7 @@ use thiserror::Error;
 pub type Result<T, E = Error> = result::Result<T, E>;
 
 #[derive(Error, Debug)]
-pub enum Error {}
+pub enum Error {
+    #[error("command from client not recognized")]
+    CommandNotFound,
+}
diff --git a/src/event.rs b/src/event.rs
index 5cf27c0..c8bf399 100644
--- a/src/event.rs
+++ b/src/event.rs
@@ -1,5 +1,5 @@
 use serde::{Deserialize, Deserializer, Serialize};
-use serde_json::json;
+//use serde_json::json;
 //use serde_json::Result;
 
 #[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
@@ -32,7 +32,7 @@ fn u32_from_string<'de, D>(deserializer: D) -> Result<u32, D::Error>
 where
     D: Deserializer<'de>,
 {
-    let s: String = Deserialize::deserialize(deserializer)?;
+    let _s: String = Deserialize::deserialize(deserializer)?;
     Ok(0)
 }
 
@@ -40,7 +40,7 @@ fn u64_from_string<'de, D>(deserializer: D) -> Result<u64, D::Error>
 where
     D: Deserializer<'de>,
 {
-    let s: String = Deserialize::deserialize(deserializer)?;
+    let _s: String = Deserialize::deserialize(deserializer)?;
     Ok(0)
 }
 
diff --git a/src/lib.rs b/src/lib.rs
index 1610d23..9e10d70 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,2 +1,3 @@
 pub mod error;
 pub mod event;
+pub mod proto;