diff --git a/worlds/AutoWorld.py b/worlds/AutoWorld.py
index 9233f3d2..676171b7 100644
--- a/worlds/AutoWorld.py
+++ b/worlds/AutoWorld.py
@@ -22,6 +22,10 @@ if TYPE_CHECKING:
 perf_logger = logging.getLogger("performance")
 
 
+class InvalidItemError(KeyError):
+    pass
+
+
 class AutoWorldRegister(type):
     world_types: Dict[str, Type[World]] = {}
     __file__: str
diff --git a/worlds/generic/__init__.py b/worlds/generic/__init__.py
index 29f808b2..fa53f31f 100644
--- a/worlds/generic/__init__.py
+++ b/worlds/generic/__init__.py
@@ -3,7 +3,7 @@ import logging
 
 from BaseClasses import Item, Tutorial, ItemClassification
 
-from ..AutoWorld import World, WebWorld
+from ..AutoWorld import InvalidItemError, World, WebWorld
 from NetUtils import SlotType
 
 
@@ -47,7 +47,7 @@ class GenericWorld(World):
     def create_item(self, name: str) -> Item:
         if name == "Nothing":
             return Item(name, ItemClassification.filler, -1, self.player)
-        raise KeyError(name)
+        raise InvalidItemError(name)
 
 
 class PlandoItem(NamedTuple):