Index: /schedule/Module/calendar.php
===================================================================
--- /schedule/Module/calendar.php	(revision 15926)
+++ /schedule/Module/calendar.php	(revision 15927)
@@ -182,9 +182,9 @@
 										  newdata1=[21,4],[5,6],[7,8],[3,41];
 										
-										if (data1.series) {
+										
 											data1.series.push({
 												data: [newdata1]
 											});
-										}
+									
 									var chart = new Highcharts.Chart(data1);