FIX #4633

htdocs/product/stats/card.php

@@ -193,6 +193,8 @@ if (! empty($id) || ! empty($ref) || GETPOST('id') == 'all')
 		//print '<table width="100%">';
 
 		// Generation des graphs
+		if ($object->id > 0)  // We are on statistics for a dedicated product
+		{
     		$dir = (! empty($conf->product->multidir_temp[$object->entity])?$conf->product->multidir_temp[$object->entity]:$conf->service->multidir_temp[$object->entity]);
     		if (! file_exists($dir.'/'.$object->id))
     		{
@@ -202,6 +204,7 @@ if (! empty($id) || ! empty($ref) || GETPOST('id') == 'all')
     				$error++;
     			}
     		}
+		}
 		
 		$graphfiles=array(
 		'propal'           =>array('modulepart'=>'productstats_proposals',