Index: lams_common/db/model/lams_11.clay
===================================================================
diff -u -r73cf786468f4ffa28dda74a671297b7950e0d1f2 -r46b420101942ac36dae7b935333e3165f03d0c77
--- lams_common/db/model/lams_11.clay	(.../lams_11.clay)	(revision 73cf786468f4ffa28dda74a671297b7950e0d1f2)
+++ lams_common/db/model/lams_11.clay	(.../lams_11.clay)	(revision 46b420101942ac36dae7b935333e3165f03d0c77)
@@ -1291,7 +1291,7 @@
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
-<column name="to_ui_id" alias="" remarks="" mandatory="true" column-size="11" decimal-digits="0" default-value="" auto-increment="false">
+<column name="to_ui_id" alias="" remarks="" mandatory="false" column-size="11" decimal-digits="0" default-value="" auto-increment="false">
 <column-description/>
 <data-type name="INT" jdbc-type="4" selected-variant-pattern="INT(%n)">
 <variant type-name-pattern="INT"/>
@@ -1304,7 +1304,7 @@
 <variant type-name-pattern="INT ZEROFILL"/>
 </data-type>
 </column>
-<column name="from_ui_id" alias="" remarks="" mandatory="true" column-size="11" decimal-digits="0" default-value="" auto-increment="false">
+<column name="from_ui_id" alias="" remarks="" mandatory="false" column-size="11" decimal-digits="0" default-value="" auto-increment="false">
 <column-description/>
 <data-type name="INT" jdbc-type="4" selected-variant-pattern="INT(%n)">
 <variant type-name-pattern="INT"/>
Index: lams_common/db/sql/create_lams_11_tables.sql
===================================================================
diff -u -r73cf786468f4ffa28dda74a671297b7950e0d1f2 -r46b420101942ac36dae7b935333e3165f03d0c77
--- lams_common/db/sql/create_lams_11_tables.sql	(.../create_lams_11_tables.sql)	(revision 73cf786468f4ffa28dda74a671297b7950e0d1f2)
+++ lams_common/db/sql/create_lams_11_tables.sql	(.../create_lams_11_tables.sql)	(revision 46b420101942ac36dae7b935333e3165f03d0c77)
@@ -509,8 +509,8 @@
      , from_activity_id BIGINT(20) NOT NULL
      , learning_design_id BIGINT(20) NOT NULL DEFAULT 0
      , create_date_time DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00'
-     , to_ui_id INT(11) NOT NULL
-     , from_ui_id INT(11) NOT NULL
+     , to_ui_id INT(11)
+     , from_ui_id INT(11)
      , PRIMARY KEY (transition_id)
      , INDEX (from_activity_id)
      , CONSTRAINT FK_learning_transition_3 FOREIGN KEY (from_activity_id)