Index: pathauto_node.inc
===================================================================
RCS file: /cvs/drupal/contributions/modules/pathauto/pathauto_node.inc,v
retrieving revision 1.29
diff -u -r1.29 pathauto_node.inc
--- pathauto_node.inc	11 Nov 2006 23:34:51 -0000	1.29
+++ pathauto_node.inc	2 Dec 2006 20:56:04 -0000
@@ -158,7 +158,15 @@
     // When editing a node, the taxonomy array might have one or more zero
     // term IDs. Ignore them...
     foreach ($node->taxonomy as $firsttermid) {
-      if ($firsttermid) {
+      if (is_array($firsttermid)) {
+        foreach ($firsttermid as $tempid) {
+          if($tempid && is_numeric($tempid)) {
+            $firsttermid = $tempid;
+            break;
+          }
+        }
+      }
+      if ($firsttermid && is_numeric($firsttermid)) {
         break;
       }
     }
Index: pathauto_taxonomy.inc
===================================================================
RCS file: /cvs/drupal/contributions/modules/pathauto/pathauto_taxonomy.inc,v
retrieving revision 1.20
diff -u -r1.20 pathauto_taxonomy.inc
--- pathauto_taxonomy.inc	11 Nov 2006 23:17:58 -0000	1.20
+++ pathauto_taxonomy.inc	2 Dec 2006 20:56:10 -0000
@@ -63,16 +63,15 @@
             
             $placeholders[t('[cat]')] = pathauto_cleanstring($category->name);
             $placeholders[t('[tid]')] = $category->tid;
-            
             if ($category->parent) {
               $catpath = pathauto_cleanstring($category->name);
-              $parents = taxonomy_get_parents_all($category->parent);
+	      $parents = taxonomy_get_parents_all(array_shift($category->parent));
             } 
             else {
               $catpath = '';
               $parents = taxonomy_get_parents_all($category->tid);
             }
-            
+
             foreach ($parents as $parent) {
               $catpath = pathauto_cleanstring($parent->name).'/'.$catpath;
             }