diff --git a/sanic/exceptions.py b/sanic/exceptions.py
index a026575a..79a522cc 100644
--- a/sanic/exceptions.py
+++ b/sanic/exceptions.py
@@ -174,3 +174,6 @@ class ContentRangeError(SanicException):
 
 class InvalidRangeType(ContentRangeError):
     pass
+
+class MiddlewareTypeError(Exception):
+    pass
\ No newline at end of file