[fixed] added an additional condition to if statement as other statement would have never been called.

locations/lact_lib.qsrc

@@ -1584,7 +1584,7 @@ end
 if $ARGS[0] = 'hand_milking':
 	*clr
 	cla
-	if lactate > 0 and pain['nipples'] <= 60:
+	if lactate > 0 and pain['nipples'] <= 60 and pcs_knowsaboutlactation > 0:
 		'You start to massage your breasts, your fingers gliding down your breasts skin, over the areolas. Your fingers pressing down into the areola, stretching it forwards to your nipple.'
 		'Several small streams of your milk start to jet out of your nipples.'
 		'You go on for <<pumptime>> minutes until you stop. You clean yourself up and everything else that got wet from your milk.<br>'