Index: openacs-4/packages/project-manager/lib/tasks.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/project-manager/lib/tasks.tcl,v
diff -u -N -r1.47 -r1.48
--- openacs-4/packages/project-manager/lib/tasks.tcl	29 Dec 2005 16:50:49 -0000	1.47
+++ openacs-4/packages/project-manager/lib/tasks.tcl	7 Jan 2006 07:21:16 -0000	1.48
@@ -655,6 +655,10 @@
 	set percent_complete 0
     }
 
+    if {$hours_remaining eq ""} {
+	set hours_remaining 0
+    }
+
     set hours_remaining \
 	[pm::task::hours_remaining \
 	     -estimated_hours_work $estimated_hours_work \