Index: branches/dev/html/install/sql/create_table_mysql.sql
===================================================================
--- branches/dev/html/install/sql/create_table_mysql.sql	(revision 13431)
+++ branches/dev/html/install/sql/create_table_mysql.sql	(revision 13623)
@@ -218,5 +218,5 @@
 
 CREATE TABLE dtb_send_history (
-    send_id int NOT NULL,
+    send_id int auto_increment primary key NOT NULL,
     mail_method smallint,
     subject text,