[Plugin: Event Calendar / Scheduler] FATAL ERROR upon activation

when I go to activate get these errors in debug mode

Warning: simplexml_load_string() [function.simplexml-load-string]: Entity: line 2: parser error : Extra content at the end of the document in /home/content/30/6061730/html/wordpress/wp-content/event-calendar-scheduler/codebase/dhtmlxSchedulerConfigurator.php on line 35

Warning: simplexml_load_string() [function.simplexml-load-string]: <b>Warning</b>: require(../../../../wp-config.php) [ in /home/content/30/6061730/html/wordpress/wp-content/event-calendar-scheduler/codebase/dhtmlxSchedulerConfigurator.php on line 35

Warning: simplexml_load_string() [function.simplexml-load-string]: ^ in /home/content/30/6061730/html/wordpress/wp-content/event-calendar-scheduler/codebase/dhtmlxSchedulerConfigurator.php on line 35

Notice: Trying to get property of non-object in /home/content/30/6061730/html/wordpress/wp-content/event-calendar-scheduler/codebase/dhtmlxSchedulerConfigurator.php on line 85

Fatal error: Call to a member function children() on a non-object in /home/content/30/6061730/html/wordpress/wp-content/event-calendar-scheduler/codebase/dhtmlxSchedulerConfigurator.php on line 85