diff --git a/booking.install b/booking.install
index 3f75a80..220be5a 100644
--- a/booking.install
+++ b/booking.install
@@ -780,7 +780,7 @@ function booking_schema() {
 			'booking_eventid' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'disp-width' => '10'),
 			'booking_node_id' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'disp-width' => '10'),
 			'booking_studygroup_id' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'disp-width' => '10'),
-			'booking_session_id' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'disp-width' => '10', default => 0),
+			'booking_session_id' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'disp-width' => '10', 'default' => 0),
 			//'booking_is_leader' => array('type' => 'varchar', 'length' => '1', 'not null' => FALSE),
 			//'booking_is_helper' => array('type' => 'varchar', 'length' => '1', 'not null' => FALSE),
 			'booking_studygroup_role' => array('type' => 'varchar', 'length' => '100', 'not null' => FALSE, 'default' => 0),
diff --git a/booking.module b/booking.module
index 4957988..2ed3c4a 100644
--- a/booking.module
+++ b/booking.module
@@ -366,7 +366,7 @@ function booking_menu() {
 			'title'                               => 'Add Study Group',
 			'description'                         => 'Add Study Group definition',
 			'page callback'                       => 'drupal_get_form',
-			'page arguments'                      => array('booking_studygroups_add_form', true),
+			'page arguments'                      => array('booking_studygroups_define_form', true),
 			'access arguments'                    => array("edit study groups"),
 			'type'                                => MENU_LOCAL_ACTION,			
 		);			
diff --git a/booking.studygroups.inc b/booking.studygroups.inc
index 4f3c6c7..ec91fa0 100644
--- a/booking.studygroups.inc
+++ b/booking.studygroups.inc
@@ -1627,6 +1627,7 @@ function booking_studygroups_view_form($node, &$form_state, $group_id) {
 	$is_reading_group = FALSE;
 	$form = array();	
 	$options = array();
+	$rows = array();
 	$last_session = "";
 	$class_array = array(
 		0 => "normal-row",