1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index 21ededc5ae..3f33ca5b92 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -28,6 +28,7 @@ class Codes(object):
     UNKNOWN = "M_UNKNOWN"
     NOT_FOUND = "M_NOT_FOUND"
     UNKNOWN_TOKEN = "M_UNKNOWN_TOKEN"
+    LIMIT_EXCEEDED = "M_LIMIT_EXCEEDED"
 
 
 class CodeMessageException(Exception):