diff --git a/workflow/engine/classes/model/map/ListCanceledMapBuilder.php b/workflow/engine/classes/model/map/ListCanceledMapBuilder.php
index 8ec5893f7..27c1b357b 100644
--- a/workflow/engine/classes/model/map/ListCanceledMapBuilder.php
+++ b/workflow/engine/classes/model/map/ListCanceledMapBuilder.php
@@ -75,11 +75,11 @@ class ListCanceledMapBuilder
 
         $tMap->addColumn('APP_NUMBER', 'AppNumber', 'int', CreoleTypes::INTEGER, true, null);
 
-        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
         $tMap->addColumn('APP_CANCELED_DATE', 'AppCanceledDate', 'int', CreoleTypes::TIMESTAMP, false, null);
 
diff --git a/workflow/engine/classes/model/map/ListParticipatedHistoryMapBuilder.php b/workflow/engine/classes/model/map/ListParticipatedHistoryMapBuilder.php
index ca566a377..78b108c58 100644
--- a/workflow/engine/classes/model/map/ListParticipatedHistoryMapBuilder.php
+++ b/workflow/engine/classes/model/map/ListParticipatedHistoryMapBuilder.php
@@ -77,11 +77,11 @@ class ListParticipatedHistoryMapBuilder
 
         $tMap->addColumn('APP_NUMBER', 'AppNumber', 'int', CreoleTypes::INTEGER, true, null);
 
-        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
         $tMap->addColumn('DEL_PREVIOUS_USR_UID', 'DelPreviousUsrUid', 'string', CreoleTypes::VARCHAR, false, 32);
 
diff --git a/workflow/engine/classes/model/map/ListParticipatedLastMapBuilder.php b/workflow/engine/classes/model/map/ListParticipatedLastMapBuilder.php
index 7066224f7..a1f98bf04 100644
--- a/workflow/engine/classes/model/map/ListParticipatedLastMapBuilder.php
+++ b/workflow/engine/classes/model/map/ListParticipatedLastMapBuilder.php
@@ -77,11 +77,11 @@ class ListParticipatedLastMapBuilder
 
         $tMap->addColumn('APP_NUMBER', 'AppNumber', 'int', CreoleTypes::INTEGER, true, null);
 
-        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
         $tMap->addColumn('APP_STATUS', 'AppStatus', 'string', CreoleTypes::VARCHAR, false, 20);
 
diff --git a/workflow/engine/classes/model/map/ListPausedMapBuilder.php b/workflow/engine/classes/model/map/ListPausedMapBuilder.php
index fda08d512..6d5f8091c 100644
--- a/workflow/engine/classes/model/map/ListPausedMapBuilder.php
+++ b/workflow/engine/classes/model/map/ListPausedMapBuilder.php
@@ -77,11 +77,11 @@ class ListPausedMapBuilder
 
         $tMap->addColumn('APP_NUMBER', 'AppNumber', 'int', CreoleTypes::INTEGER, true, null);
 
-        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
         $tMap->addColumn('APP_PAUSED_DATE', 'AppPausedDate', 'int', CreoleTypes::TIMESTAMP, true, null);
 
diff --git a/workflow/engine/classes/model/map/ListUnassignedMapBuilder.php b/workflow/engine/classes/model/map/ListUnassignedMapBuilder.php
index a88f5b614..e3ad4ca28 100644
--- a/workflow/engine/classes/model/map/ListUnassignedMapBuilder.php
+++ b/workflow/engine/classes/model/map/ListUnassignedMapBuilder.php
@@ -75,11 +75,11 @@ class ListUnassignedMapBuilder
 
         $tMap->addColumn('APP_NUMBER', 'AppNumber', 'int', CreoleTypes::INTEGER, true, null);
 
-        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TITLE', 'AppTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_PRO_TITLE', 'AppProTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
-        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, true, null);
+        $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::LONGVARCHAR, false, null);
 
         $tMap->addColumn('DEL_PREVIOUS_USR_USERNAME', 'DelPreviousUsrUsername', 'string', CreoleTypes::VARCHAR, false, 100);
 
diff --git a/workflow/engine/config/schema.xml b/workflow/engine/config/schema.xml
index d9fe5884b..5ea35f61a 100644
--- a/workflow/engine/config/schema.xml
+++ b/workflow/engine/config/schema.xml
@@ -4265,9 +4265,9 @@
         <column name="TAS_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="PRO_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="APP_NUMBER" type="INTEGER" required="true" default="0"/>
-        <column name="APP_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="true"/>
+        <column name="APP_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="false"/>
         <column name="DEL_PREVIOUS_USR_UID" type="VARCHAR" size="32" default=""/>
         <column name="DEL_PREVIOUS_USR_USERNAME" type="VARCHAR" size="100" default=""/>
         <column name="DEL_PREVIOUS_USR_FIRSTNAME" type="VARCHAR" size="50" default=""/>
@@ -4329,9 +4329,9 @@
         <column name="TAS_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="PRO_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="APP_NUMBER" type="INTEGER" required="true" default="0"/>
-        <column name="APP_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="true"/>
+        <column name="APP_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="false"/>
         <column name="APP_STATUS" type="VARCHAR" size="20" required="false" default="0"/>
         <column name="DEL_PREVIOUS_USR_UID" type="VARCHAR" size="32" default=""/>
         <column name="DEL_PREVIOUS_USR_USERNAME" type="VARCHAR" size="100" default=""/>
@@ -4463,9 +4463,9 @@
         <column name="TAS_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="PRO_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="APP_NUMBER" type="INTEGER" required="true" default="0"/>
-        <column name="APP_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="true"/>
+        <column name="APP_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="false"/>
         <column name="APP_PAUSED_DATE" type="TIMESTAMP" required="true"/>
         <column name="APP_RESTART_DATE" type="TIMESTAMP" required="true"/>
         <column name="DEL_PREVIOUS_USR_UID" type="VARCHAR" size="32" default=""/>
@@ -4527,9 +4527,9 @@
         <column name="TAS_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="PRO_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="APP_NUMBER" type="INTEGER" required="true" default="0"/>
-        <column name="APP_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="true"/>
+        <column name="APP_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="false"/>
         <column name="APP_CANCELED_DATE" type="TIMESTAMP" required="false"/>
         <column name="DEL_INDEX" type="INTEGER" required="true" default="0"/>
         <column name="DEL_PREVIOUS_USR_UID" type="VARCHAR" size="32" default=""/>
@@ -4648,9 +4648,9 @@
         <column name="TAS_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="PRO_UID" type="VARCHAR" size="32" required="true" default=""/>
         <column name="APP_NUMBER" type="INTEGER" required="true" default="0"/>
-        <column name="APP_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="true"/>
-        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="true"/>
+        <column name="APP_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_PRO_TITLE" type="LONGVARCHAR" required="false"/>
+        <column name="APP_TAS_TITLE" type="LONGVARCHAR" required="false"/>
         <column name="DEL_PREVIOUS_USR_USERNAME" type="VARCHAR" size="100" default=""/>
         <column name="DEL_PREVIOUS_USR_FIRSTNAME" type="VARCHAR" size="50" default=""/>
         <column name="DEL_PREVIOUS_USR_LASTNAME" type="VARCHAR" size="50" default=""/>
diff --git a/workflow/engine/data/mysql/schema.sql b/workflow/engine/data/mysql/schema.sql
index 70621cdd3..b8e67f02e 100644
--- a/workflow/engine/data/mysql/schema.sql
+++ b/workflow/engine/data/mysql/schema.sql
@@ -2390,9 +2390,9 @@ CREATE TABLE `LIST_PARTICIPATED_HISTORY`
 	`TAS_UID` VARCHAR(32) default '' NOT NULL,
 	`PRO_UID` VARCHAR(32) default '' NOT NULL,
 	`APP_NUMBER` INTEGER default 0 NOT NULL,
-	`APP_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_PRO_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_TAS_TITLE` MEDIUMTEXT  NOT NULL,
+	`APP_TITLE` MEDIUMTEXT,
+	`APP_PRO_TITLE` MEDIUMTEXT,
+	`APP_TAS_TITLE` MEDIUMTEXT,
 	`DEL_PREVIOUS_USR_UID` VARCHAR(32) default '',
 	`DEL_PREVIOUS_USR_USERNAME` VARCHAR(100) default '',
 	`DEL_PREVIOUS_USR_FIRSTNAME` VARCHAR(50) default '',
@@ -2428,9 +2428,9 @@ CREATE TABLE `LIST_PARTICIPATED_LAST`
 	`TAS_UID` VARCHAR(32) default '' NOT NULL,
 	`PRO_UID` VARCHAR(32) default '' NOT NULL,
 	`APP_NUMBER` INTEGER default 0 NOT NULL,
-	`APP_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_PRO_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_TAS_TITLE` MEDIUMTEXT  NOT NULL,
+	`APP_TITLE` MEDIUMTEXT,
+	`APP_PRO_TITLE` MEDIUMTEXT,
+	`APP_TAS_TITLE` MEDIUMTEXT,
 	`APP_STATUS` VARCHAR(20) default '0',
 	`DEL_PREVIOUS_USR_UID` VARCHAR(32) default '',
 	`DEL_PREVIOUS_USR_USERNAME` VARCHAR(100) default '',
@@ -2504,9 +2504,9 @@ CREATE TABLE `LIST_PAUSED`
 	`TAS_UID` VARCHAR(32) default '' NOT NULL,
 	`PRO_UID` VARCHAR(32) default '' NOT NULL,
 	`APP_NUMBER` INTEGER default 0 NOT NULL,
-	`APP_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_PRO_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_TAS_TITLE` MEDIUMTEXT  NOT NULL,
+	`APP_TITLE` MEDIUMTEXT,
+	`APP_PRO_TITLE` MEDIUMTEXT,
+	`APP_TAS_TITLE` MEDIUMTEXT,
 	`APP_PAUSED_DATE` DATETIME  NOT NULL,
 	`APP_RESTART_DATE` DATETIME  NOT NULL,
 	`DEL_PREVIOUS_USR_UID` VARCHAR(32) default '',
@@ -2543,9 +2543,9 @@ CREATE TABLE `LIST_CANCELED`
 	`TAS_UID` VARCHAR(32) default '' NOT NULL,
 	`PRO_UID` VARCHAR(32) default '' NOT NULL,
 	`APP_NUMBER` INTEGER default 0 NOT NULL,
-	`APP_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_PRO_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_TAS_TITLE` MEDIUMTEXT  NOT NULL,
+	`APP_TITLE` MEDIUMTEXT,
+	`APP_PRO_TITLE` MEDIUMTEXT,
+	`APP_TAS_TITLE` MEDIUMTEXT,
 	`APP_CANCELED_DATE` DATETIME,
 	`DEL_INDEX` INTEGER default 0 NOT NULL,
 	`DEL_PREVIOUS_USR_UID` VARCHAR(32) default '',
@@ -2622,9 +2622,9 @@ CREATE TABLE `LIST_UNASSIGNED`
 	`TAS_UID` VARCHAR(32) default '' NOT NULL,
 	`PRO_UID` VARCHAR(32) default '' NOT NULL,
 	`APP_NUMBER` INTEGER default 0 NOT NULL,
-	`APP_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_PRO_TITLE` MEDIUMTEXT  NOT NULL,
-	`APP_TAS_TITLE` MEDIUMTEXT  NOT NULL,
+	`APP_TITLE` MEDIUMTEXT,
+	`APP_PRO_TITLE` MEDIUMTEXT,
+	`APP_TAS_TITLE` MEDIUMTEXT,
 	`DEL_PREVIOUS_USR_USERNAME` VARCHAR(100) default '',
 	`DEL_PREVIOUS_USR_FIRSTNAME` VARCHAR(50) default '',
 	`DEL_PREVIOUS_USR_LASTNAME` VARCHAR(50) default '',