fix from forum

htdocs/projet/tasks/contact.php

@@ -300,7 +300,7 @@ if ($id > 0 || ! empty($ref))
 			print '<td colspan="1">';
 			// On recupere les id des users deja selectionnes
 			$contactsofproject=$projectstatic->getListContactId('internal');
-			$form->select_users($user->id,'userid',0,'',0,'',$contactsofproject);
+			$form->select_users($user->id,'contactid',0,'',0,'',$contactsofproject);
 			print '</td>';
 			print '<td>';
 			$formcompany->selectTypeContact($object, '', 'type','internal','rowid');