1 files changed, 24 insertions, 0 deletions
diff --git a/BackEnd/Timeline/Services/User/UserAlreadyExistException.cs b/BackEnd/Timeline/Services/User/UserAlreadyExistException.cs
new file mode 100644
index 00000000..e257af74
--- /dev/null
+++ b/BackEnd/Timeline/Services/User/UserAlreadyExistException.cs
@@ -0,0 +1,24 @@
+using System;
+
+namespace Timeline.Services.User
+{
+    /// <summary>
+    /// The user requested does not exist.
+    /// </summary>
+    [Serializable]
+    public class UserAlreadyExistException : EntityAlreadyExistException
+    {
+        public UserAlreadyExistException() : this(null, null, null) { }
+        public UserAlreadyExistException(object? entity) : this(entity, null, null) { }
+        public UserAlreadyExistException(object? entity, Exception? inner) : this(entity, null, inner) { }
+        public UserAlreadyExistException(object? entity, string? message, Exception? inner)
+            : base(EntityNames.User, entity, message ?? Resource.ExceptionUserAlreadyExist, inner)
+        {
+
+        }
+
+        protected UserAlreadyExistException(
+          System.Runtime.Serialization.SerializationInfo info,
+          System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
+    }
+}