diff --git a/src/server/game/mod/catnip/Catnip.go b/src/server/game/mod/catnip/Catnip.go
index 907feb48..f77bb81b 100644
--- a/src/server/game/mod/catnip/Catnip.go
+++ b/src/server/game/mod/catnip/Catnip.go
@@ -191,7 +191,11 @@ func (c *CatnipMod) Reward(Id, Progress int) ([]*item.Item, *CatnipGame, error)
 		return nil, nil, fmt.Errorf("reward for progress %d has already been claimed in game ID %d", Progress, Id)
 	}
 	GameInfo.Reward = append(GameInfo.Reward, Progress)
-	return catnipCfg.GetProgressReward(c.Id, Progress), GameInfo, nil
+	Items := catnipCfg.GetProgressReward(c.Id, Progress)
+	if Items == nil {
+		return nil, nil, fmt.Errorf("no reward found for progress %d in game ID %d", Progress, Id)
+	}
+	return Items, GameInfo, nil
 }
 
 func (c *CatnipMod) GrandReward() ([]*item.Item, error) {