X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=sales%2Fincludes%2Fsales_ui.inc;h=9b7626218bbba6ac8d8c94ecfaa1732ab8679b5a;hb=6ff34c1474ec3724609905319b3bbc087b49451e;hp=73b99ca610bcd6925f1f5782a706a8e245643c51;hpb=17b390efcf904072b02ec866b2a427490471a260;p=fa-stable.git

diff --git a/sales/includes/sales_ui.inc b/sales/includes/sales_ui.inc
index 73b99ca6..9b762621 100644
--- a/sales/includes/sales_ui.inc
+++ b/sales/includes/sales_ui.inc
@@ -46,7 +46,7 @@ function check_edit_conflicts($cart_id, $cartname='Items')
 {
 	global $Ajax, $SysPrefs;
 
-	if ((!isset($SysPrefs->no_check_edit_conflicts) || $SysPrefs->no_check_edit_conflicts==0) && get_post('cart_id') && $cart_id != $_SESSION[$cartname]->cart_id) {
+	if ((!isset($SysPrefs->no_check_edit_conflicts) || $SysPrefs->no_check_edit_conflicts==0) && $cart_id && isset($_SESSION[$cartname]) && $cart_id != $_SESSION[$cartname]->cart_id) {
 		display_error(_('This edit session has been abandoned by opening sales document in another browser tab. You cannot edit more than one sales document at once.'));
 		$Ajax->activate('_page_body');
 		display_footer_exit();