diff --git a/r2/r2/lib/errors.py b/r2/r2/lib/errors.py
index 746e4570f..72b6e07c4 100644
--- a/r2/r2/lib/errors.py
+++ b/r2/r2/lib/errors.py
@@ -242,3 +242,6 @@ class UserRequiredException(RedditError):
 class VerifiedUserRequiredException(RedditError):
     name = errors.VERIFIED_USER_REQUIRED
     code = 403
+
+
+class MessageError(Exception): pass