Provide a bit more detailed information.

master/bt5/vifib_base/PropertySheetTemplateItem/portal_property_sheets/SoftwareInstanceConstraint/connection_xml_valid_xml_constraint.xml

@@ -48,6 +48,10 @@
             <key> <string>message_expression_error</string> </key>
             <value> <string>Connection XML is invalid: ${error}</string> </value>
         </item>
+        <item>
+            <key> <string>message_expression_false</string> </key>
+            <value> <string>Connection XML expression was false</string> </value>
+        </item>
         <item>
             <key> <string>portal_type</string> </key>
             <value> <string>TALES Constraint</string> </value>

master/bt5/vifib_base/PropertySheetTemplateItem/portal_property_sheets/SoftwareInstanceConstraint/sla_xml_valid_xml_constraint.xml

@@ -48,6 +48,10 @@
             <key> <string>message_expression_error</string> </key>
             <value> <string>Sla XML is invalid: ${error}</string> </value>
         </item>
+        <item>
+            <key> <string>message_expression_false</string> </key>
+            <value> <string>Sla XML expression was false</string> </value>
+        </item>
         <item>
             <key> <string>portal_type</string> </key>
             <value> <string>TALES Constraint</string> </value>

master/bt5/vifib_base/PropertySheetTemplateItem/portal_property_sheets/SoftwareInstanceConstraint/text_content_valid_xml_constraint.xml

@@ -36,6 +36,10 @@
             <key> <string>message_expression_error</string> </key>
             <value> <string>Instance XML is invalid: ${error}</string> </value>
         </item>
+        <item>
+            <key> <string>message_expression_false</string> </key>
+            <value> <string>Instance XML expression was false</string> </value>
+        </item>
         <item>
             <key> <string>portal_type</string> </key>
             <value> <string>TALES Constraint</string> </value>

master/bt5/vifib_base/bt/revision

-406
\ No newline at end of file
+407
\ No newline at end of file