diff --git a/source/Trek-12/Models/Exceptions/BadMapSelectException.cs b/source/Trek-12/Models/Exceptions/BadMapSelectException.cs
new file mode 100644
index 0000000..1931c87
--- /dev/null
+++ b/source/Trek-12/Models/Exceptions/BadMapSelectException.cs
@@ -0,0 +1,7 @@
+namespace Models.Exceptions;
+
+public class BadMapSelectException : Exception
+{
+    public BadMapSelectException() : base() {}
+    public BadMapSelectException(string message) : base(message) {}
+}
\ No newline at end of file