diff --git a/crates/oxidetalis/src/errors.rs b/crates/oxidetalis/src/errors.rs
index 68ef86a..f9b5057 100644
--- a/crates/oxidetalis/src/errors.rs
+++ b/crates/oxidetalis/src/errors.rs
@@ -53,6 +53,7 @@ impl From<DbErr> for ServerError {
 impl From<ServerError> for WsError {
     fn from(err: ServerError) -> Self {
         match err {
+            ServerError::Api(ApiError::NotRegisteredUser) => WsError::RegistredUserEvent,
             ServerError::Internal(_) | ServerError::Api(_) => WsError::InternalServerError,
             ServerError::Ws(err) => err,
         }
@@ -62,6 +63,7 @@ impl From<ServerError> for WsError {
 impl From<ServerError> for ApiError {
     fn from(err: ServerError) -> Self {
         match err {
+            ServerError::Ws(WsError::RegistredUserEvent) => ApiError::NotRegisteredUser,
             ServerError::Internal(_) | ServerError::Ws(_) => ApiError::Internal,
             ServerError::Api(err) => err,
         }
diff --git a/crates/oxidetalis/src/routes/errors.rs b/crates/oxidetalis/src/routes/errors.rs
index 29686de..788559b 100644
--- a/crates/oxidetalis/src/routes/errors.rs
+++ b/crates/oxidetalis/src/routes/errors.rs
@@ -41,6 +41,13 @@ pub enum ApiError {
     /// (400 Bad Request)
     #[error("You entered two different public keys")]
     TwoDifferentKeys,
+    /// Error in the query parameters (400 Bad Request)
+    #[error("{0}")]
+    Querys(String),
+    /// Non registered user tried to access to registered user only endpoint
+    /// (403 Forbidden)
+    #[error("You are not a registered user, please register first")]
+    NotRegisteredUser,
 }
 
 impl ApiError {
@@ -48,8 +55,10 @@ impl ApiError {
     pub const fn status_code(&self) -> StatusCode {
         match self {
             Self::Internal => StatusCode::INTERNAL_SERVER_ERROR,
-            Self::RegistrationClosed => StatusCode::FORBIDDEN,
-            Self::AlreadyRegistered | Self::TwoDifferentKeys => StatusCode::BAD_REQUEST,
+            Self::RegistrationClosed | Self::NotRegisteredUser => StatusCode::FORBIDDEN,
+            Self::AlreadyRegistered | Self::TwoDifferentKeys | Self::Querys(_) => {
+                StatusCode::BAD_REQUEST
+            }
         }
     }
 }