Index: bp-core/bp-core-classes.php
===================================================================
--- bp-core/bp-core-classes.php	(revision 7977)
+++ bp-core/bp-core-classes.php	(working copy)
@@ -1411,6 +1411,10 @@
 					'user_id'       => $user_id,
 					'component'     => buddypress()->members->id,
 					'type'          => 'last_activity',
+					'action'        => '',
+					'content'       => '',
+					'primary_link'  => '',
+					'item_id'       => 0,
 					'date_recorded' => $time,
 				),
 
@@ -1420,6 +1424,10 @@
 					'%s',
 					'%s',
 					'%s',
+					'%s',
+					'%s',
+					'%d',
+					'%s',
 				)
 			);
 		}
Index: bp-core/bp-core-update.php
===================================================================
--- bp-core/bp-core-update.php	(revision 7977)
+++ bp-core/bp-core-update.php	(working copy)
@@ -350,8 +350,8 @@
 	/** Migrate 'last_activity' data *************************************/
 
 	// The "NOT IN" clause prevents duplicates
-	$sql = "INSERT INTO {$bp->members->table_name_last_activity} (`user_id`, `component`, `type`, `date_recorded` ) (
-		  SELECT user_id, '{$bp->members->id}' as component, 'last_activity' as type, meta_value AS date_recorded
+	$sql = "INSERT INTO {$bp->members->table_name_last_activity} (`user_id`, `component`, `type`, `action`, `content`, `primary_link`, `item_id`, `date_recorded` ) (
+		  SELECT user_id, '{$bp->members->id}' as component, 'last_activity' as type, '' as action, '' as content, '' as primary_link, 0 as item_id, meta_value AS date_recorded
 		  FROM {$wpdb->usermeta}
 		  WHERE
 		    meta_key = 'last_activity'