Index: openacs-4/packages/xowf/tcl/xowf-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowf/tcl/xowf-procs.tcl,v
diff -u -N -r1.28.2.33 -r1.28.2.34
--- openacs-4/packages/xowf/tcl/xowf-procs.tcl	1 Jul 2020 19:31:58 -0000	1.28.2.33
+++ openacs-4/packages/xowf/tcl/xowf-procs.tcl	10 Jul 2020 10:39:32 -0000	1.28.2.34
@@ -619,11 +619,19 @@
     #:log START-CREATES
     if {$::xowf::sharedWorkflowDefinition} {
       if {[${:object} is_wf]} {
-        set :wf_container ::xowf::[${:object} revision_id]
+        set source_obj ${:object}
       } else {
-        set :wf_container ::xowf::[[${:object} page_template] revision_id]
+        set source_obj [${:object} page_template]
       }
+      set revision_id [$source_obj revision_id]
+      if {$revision_id == 0} {
+        set revision_id [::xo::db::sql::content_item get_live_revision \
+                             -item_id [$source_obj item_id]]
+        ns_log warning "xowf: tried to create a wf_container with revision_id 0 -> fixed to $revision_id"
+      }
 
+      set :wf_container ::xowf::$revision_id
+
       #
       # Validate workflow container: We cannot trust the shared
       # definition in case some xowf-include files were changed. When
@@ -1489,7 +1497,7 @@
     }
   }
 
-  
+
   WorkflowPage instproc debug_msg {msg} {
     #util_user_message -message $msg
     ns_log notice "--WF $msg"