--- a/gameServer/HWProtoChecker.hs	Fri Oct 06 22:37:44 2023 +0200
+++ b/gameServer/HWProtoChecker.hs	Wed Jan 10 20:54:29 2024 +0100
@@ -20,6 +20,7 @@
 module HWProtoChecker where
 
 import Data.Maybe
+import Control.Monad
 import Control.Monad.Reader
 --------------------------------------
 import CoreTypes