Adding

LCU.API.Collections.RepoApi-old/LCU.API.Collections.RepoApi/Exceptions/NotFoundException.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace LCU.API.Collections.RepoApi.Exceptions
+{
+    /**
+     * If an entity cannot be found, that specific error can allow for a 404 or 400 with more detail to be
+     * returned. So specify that to the API layer.
+     */
+    public class NotFoundException : ApplicationException
+    {
+        public NotFoundException(string message) : base(message)
+        {
+        }
+    }
+}