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Fix(Core): fix undefined index #438

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Fix(Core): fix undefined index #438

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).

### Fixed

- Fix undefined index
- Prevent business rules from triggering twice on tickets

## [2.9.19] - 2026-27-01
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6 changes: 5 additions & 1 deletion inc/ticket.class.php
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Expand Up @@ -864,7 +864,11 @@ public static function linkedTickets(CommonDBTM $ticket, $status = CommonITILObj
$linkedTicket = new Ticket();

foreach ($tickets as $data) {
if ($data['link'] !== Ticket_Ticket::LINK_TO || !$linkedTicket->can($data['tickets_id'], UPDATE)) {
$ticket_id_missing = empty($data['tickets_id']);
$link_invalid = empty($data['link']) || $data['link'] !== Ticket_Ticket::LINK_TO;
$no_permission = !$linkedTicket->can($data['tickets_id'], UPDATE);

if ($ticket_id_missing || $link_invalid || $no_permission) {
continue;
}

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