Align error message for missing level attr

Author: vbakke

yaml-generation/generateDimensions.php

@@ -63,11 +63,7 @@
 
         foreach ($elements as $activityName => $activity) {
             if (!array_key_exists("level", $activity)) {
-                echo "'$activityName' is not complete!";
-                echo "<pre>";
-                var_dump($activity);
-                echo "</pre>";
-                exit;
+                array_push($errorMsg,"Missing 'level' attribute in activity: $activityName");
 	        }
 
             echo "$subdimension | $activityName\n";