=== modified file 'uc_product/uc_product.module'
--- uc_product/uc_product.module	2008-08-22 13:52:53 +0000
+++ uc_product/uc_product.module	2008-08-22 15:13:06 +0000
@@ -913,6 +913,7 @@ function uc_product_table($form_state, $
 
   $table['columns'] = uc_product_table_header();
 
+  $table['rows'] = array();
   foreach ($args['nids'] as $nid) {
     $data = array();
     $node = node_load($nid);
@@ -933,6 +934,17 @@ function uc_product_table($form_state, $
     }
   }
 
+  if (empty($table['rows'])) {
+    $table['rows'][] = array(
+      'name' => array(
+        'cell' => array(
+          'data' => t('No products available.'),
+          'colspan' => count($table['columns']),
+        ),
+      ),
+    );
+  }
+
   $form['table'] = array(
     '#value' => $table,
     '#theme' => 'tapir_table',