diff --git a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/order_workflow/variables/start_date.xml b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/order_workflow/variables/start_date.xml
index eefa0e2162aa025a3ebc43650c3ba3b9ccda2752..44577058a48215e3f4f4f441d3fc2ceb7786b45b 100644
--- a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/order_workflow/variables/start_date.xml
+++ b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/order_workflow/variables/start_date.xml
@@ -77,7 +77,7 @@
       <dictionary>
         <item>
             <key> <string>text</string> </key>
-            <value> <string>python:state_change.kwargs.get(\'start_date\',state_change.object.getStartDate())</string> </value>
+            <value> <string>python:state_change.kwargs.get(\'start_date\',state_change[\'object\'].getStartDate())</string> </value>
         </item>
       </dictionary>
     </pickle>
diff --git a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/order_workflow/variables/stop_date.xml b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/order_workflow/variables/stop_date.xml
index 23960e36b77dc0d33def769cc398778b9b1ee7e0..b6d159025a92cdd9e2b4e133cbbb6e3d2aee6bbb 100644
--- a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/order_workflow/variables/stop_date.xml
+++ b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/order_workflow/variables/stop_date.xml
@@ -77,7 +77,7 @@
       <dictionary>
         <item>
             <key> <string>text</string> </key>
-            <value> <string>python:state_change.kwargs.get(\'stop_date\',state_change.object.getStopDate())</string> </value>
+            <value> <string>python:state_change.kwargs.get(\'stop_date\',state_change[\'object\'].getStopDate())</string> </value>
         </item>
       </dictionary>
     </pickle>
diff --git a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_causality_workflow/variables/start_date.xml b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_causality_workflow/variables/start_date.xml
index eefa0e2162aa025a3ebc43650c3ba3b9ccda2752..44577058a48215e3f4f4f441d3fc2ceb7786b45b 100644
--- a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_causality_workflow/variables/start_date.xml
+++ b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_causality_workflow/variables/start_date.xml
@@ -77,7 +77,7 @@
       <dictionary>
         <item>
             <key> <string>text</string> </key>
-            <value> <string>python:state_change.kwargs.get(\'start_date\',state_change.object.getStartDate())</string> </value>
+            <value> <string>python:state_change.kwargs.get(\'start_date\',state_change[\'object\'].getStartDate())</string> </value>
         </item>
       </dictionary>
     </pickle>
diff --git a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_causality_workflow/variables/stop_date.xml b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_causality_workflow/variables/stop_date.xml
index 23960e36b77dc0d33def769cc398778b9b1ee7e0..b6d159025a92cdd9e2b4e133cbbb6e3d2aee6bbb 100644
--- a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_causality_workflow/variables/stop_date.xml
+++ b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_causality_workflow/variables/stop_date.xml
@@ -77,7 +77,7 @@
       <dictionary>
         <item>
             <key> <string>text</string> </key>
-            <value> <string>python:state_change.kwargs.get(\'stop_date\',state_change.object.getStopDate())</string> </value>
+            <value> <string>python:state_change.kwargs.get(\'stop_date\',state_change[\'object\'].getStopDate())</string> </value>
         </item>
       </dictionary>
     </pickle>
diff --git a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_container_workflow/variables/start_date.xml b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_container_workflow/variables/start_date.xml
index eefa0e2162aa025a3ebc43650c3ba3b9ccda2752..44577058a48215e3f4f4f441d3fc2ceb7786b45b 100644
--- a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_container_workflow/variables/start_date.xml
+++ b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_container_workflow/variables/start_date.xml
@@ -77,7 +77,7 @@
       <dictionary>
         <item>
             <key> <string>text</string> </key>
-            <value> <string>python:state_change.kwargs.get(\'start_date\',state_change.object.getStartDate())</string> </value>
+            <value> <string>python:state_change.kwargs.get(\'start_date\',state_change[\'object\'].getStartDate())</string> </value>
         </item>
       </dictionary>
     </pickle>
diff --git a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_container_workflow/variables/stop_date.xml b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_container_workflow/variables/stop_date.xml
index 23960e36b77dc0d33def769cc398778b9b1ee7e0..b6d159025a92cdd9e2b4e133cbbb6e3d2aee6bbb 100644
--- a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_container_workflow/variables/stop_date.xml
+++ b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_container_workflow/variables/stop_date.xml
@@ -77,7 +77,7 @@
       <dictionary>
         <item>
             <key> <string>text</string> </key>
-            <value> <string>python:state_change.kwargs.get(\'stop_date\',state_change.object.getStopDate())</string> </value>
+            <value> <string>python:state_change.kwargs.get(\'stop_date\',state_change[\'object\'].getStopDate())</string> </value>
         </item>
       </dictionary>
     </pickle>
diff --git a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_workflow/variables/start_date.xml b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_workflow/variables/start_date.xml
index eefa0e2162aa025a3ebc43650c3ba3b9ccda2752..44577058a48215e3f4f4f441d3fc2ceb7786b45b 100644
--- a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_workflow/variables/start_date.xml
+++ b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_workflow/variables/start_date.xml
@@ -77,7 +77,7 @@
       <dictionary>
         <item>
             <key> <string>text</string> </key>
-            <value> <string>python:state_change.kwargs.get(\'start_date\',state_change.object.getStartDate())</string> </value>
+            <value> <string>python:state_change.kwargs.get(\'start_date\',state_change[\'object\'].getStartDate())</string> </value>
         </item>
       </dictionary>
     </pickle>
diff --git a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_workflow/variables/stop_date.xml b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_workflow/variables/stop_date.xml
index 23960e36b77dc0d33def769cc398778b9b1ee7e0..b6d159025a92cdd9e2b4e133cbbb6e3d2aee6bbb 100644
--- a/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_workflow/variables/stop_date.xml
+++ b/bt5/erp5_trade/WorkflowTemplateItem/portal_workflow/packing_list_workflow/variables/stop_date.xml
@@ -77,7 +77,7 @@
       <dictionary>
         <item>
             <key> <string>text</string> </key>
-            <value> <string>python:state_change.kwargs.get(\'stop_date\',state_change.object.getStopDate())</string> </value>
+            <value> <string>python:state_change.kwargs.get(\'stop_date\',state_change[\'object\'].getStopDate())</string> </value>
         </item>
       </dictionary>
     </pickle>
diff --git a/bt5/erp5_trade/bt/revision b/bt5/erp5_trade/bt/revision
index 31ff414b74c276a48419201e1024d3b860413a3b..c5b431b6cba29540b4b284840ff229bce0460886 100644
--- a/bt5/erp5_trade/bt/revision
+++ b/bt5/erp5_trade/bt/revision
@@ -1 +1 @@
-48
\ No newline at end of file
+50
\ No newline at end of file