Index: moodle/mod/lamslesson/lib.php
===================================================================
diff -u -r80acd159361b65ce02deaae0f5d232f6c3d31f3f -r553eab7725b1f63b96ed6123359c14ad2b2c65e6
--- moodle/mod/lamslesson/lib.php	(.../lib.php)	(revision 80acd159361b65ce02deaae0f5d232f6c3d31f3f)
+++ moodle/mod/lamslesson/lib.php	(.../lib.php)	(revision 553eab7725b1f63b96ed6123359c14ad2b2c65e6)
@@ -244,7 +244,7 @@
 function lamslesson_scale_used_anywhere($scaleid) {
     global $DB;
 
-    if ($scaleid and $DB->record_exists('lamslesson', 'grade', -$scaleid)) {
+    if ($scaleid and $DB->record_exists('lamslesson', array('grade' => -$scaleid))) {
         return true;
     } else {
         return false;