TEXT cannot have a default value

db/zm_create.sql.in

@@ -265,7 +265,7 @@ CREATE TABLE `Groups` (
   `Id` int(10) unsigned NOT NULL auto_increment,
   `Name` varchar(64) NOT NULL default '',
   `ParentId` int(10) unsigned,
-  `MonitorIds` text NOT NULL default '',
+  `MonitorIds` text NOT NULL,
   PRIMARY KEY (`Id`)
 ) ENGINE=@ZM_MYSQL_ENGINE@;
 

db/zm_update-1.31.7.sql

@@ -1 +1 @@
-ALTER TABLE Groups MODIFY `MonitorIds` text NOT NULL default '';
+ALTER TABLE Groups MODIFY `MonitorIds` text NOT NULL;