diff --git a/BaseClasses.py b/BaseClasses.py
index 210c88c4..5840d5c8 100644
--- a/BaseClasses.py
+++ b/BaseClasses.py
@@ -650,7 +650,7 @@ class CollectionState():
             if new_region in rrp:
                 bc.remove(connection)
             elif connection.can_reach(self):
-                assert new_region, "tried to search through an Entrance with no Region"
+                assert new_region, f"tried to search through an Entrance \"{connection}\" with no Region"
                 rrp.add(new_region)
                 bc.remove(connection)
                 bc.update(new_region.exits)