auth: List data not linked to any group.

1 files changed, 6 insertions, 0 deletions

diff --git a/gn3/auth/authorisation/errors.py b/gn3/auth/authorisation/errors.py
index 99ee55d..2116ead 100644
--- a/gn3/auth/authorisation/errors.py
+++ b/gn3/auth/authorisation/errors.py
@@ -15,6 +15,12 @@ class NotFoundError(AuthorisationError):
     """Raised whenever we try fetching (a/an) object(s) that do(es) not exist."""
     error_code: int = 404
 
+class InvalidData(AuthorisationError):
+    """
+    Exception if user requests invalid data
+    """
+    error_code: int = 400
+
 class InconsistencyError(AuthorisationError):
     """
     Exception raised due to data inconsistencies