Index: openacs-4/packages/project-manager/www/task-add-edit.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/project-manager/www/task-add-edit.tcl,v
diff -u -N -r1.7 -r1.8
--- openacs-4/packages/project-manager/www/task-add-edit.tcl	25 Apr 2018 19:47:48 -0000	1.7
+++ openacs-4/packages/project-manager/www/task-add-edit.tcl	9 May 2018 15:33:33 -0000	1.8
@@ -169,7 +169,7 @@
 
 
 
-    set deps {}
+    set deps [list]
     foreach task $task_item_id {
         if {[lsearch $deps $task_dependency($task)] == -1 && \
                 ![empty_string_p $task_dependency($task)]} {