Corrected Alter

root/install_portal/schemas/update_schema.php

@@ -1,6 +1,7 @@
 <?php
 
 $sql_update['0.2.0'] = array(
+	"ALTER TABLE phpbb_portal_config CHANGE config_value config_value text NOT NULL",
 	"INSERT INTO phpbb_portal_config (config_name, config_value) VALUES ('portal_poll_limit', '3')",
 	"INSERT INTO phpbb_portal_config (config_name, config_value) VALUES ('portal_poll_allow_vote', '1')",
 	"INSERT INTO phpbb_portal_config (config_name, config_value) VALUES ('portal_birthdays_ahead', '7')",