1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index fdb2955be8..fbd8b16ec3 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -83,6 +83,8 @@ class Codes(str, Enum):
     USER_DEACTIVATED = "M_USER_DEACTIVATED"
     # USER_LOCKED = "M_USER_LOCKED"
     USER_LOCKED = "ORG_MATRIX_MSC3939_USER_LOCKED"
+    NOT_YET_UPLOADED = "M_NOT_YET_UPLOADED"
+    CANNOT_OVERWRITE_MEDIA = "M_CANNOT_OVERWRITE_MEDIA"
 
     # Part of MSC3848
     # https://github.com/matrix-org/matrix-spec-proposals/pull/3848