diff --git a/monkey/monkey_island/cc/repository/errors.py b/monkey/monkey_island/cc/repository/errors.py
index b9d5b7e47..586f23cb2 100644
--- a/monkey/monkey_island/cc/repository/errors.py
+++ b/monkey/monkey_island/cc/repository/errors.py
@@ -2,4 +2,13 @@ class RetrievalError(RuntimeError):
     """
     Raised when a repository encounters an error while attempting to retrieve data.
     """
+
+    pass
+
+
+class StorageError(RuntimeError):
+    """
+    Raised when a repository encounters an error while attempting to store data.
+    """
+
     pass