}
$failed_item = $_SESSION['issue_items']->check_qoh($_POST['Location'], $_POST['date_'], !$_POST['IssueType']);
- if ($failed_item != null)
+ if ($failed_item >= 0)
{
display_error( _("The issue cannot be processed because an entered item would cause a negative inventory balance :") .
" " . $failed_item->stock_id . " - " . $failed_item->item_description);