I have found and corrected the issue.
In these two files
- vendor/uvdesk/support-center-bundle/Controller/Ticket.php
- vendor/uvdesk/core-framework/Controller/Ticket.php
In the function "public function downloadAttachment(Request $request)", add the this line of code:
- $response->headers->set('Content-Length', $attachment->getSize());
Below
- $response->headers->set('Content-Disposition', 'attachment; filename='. $attachment->getName());
And Above
- $response->sendHeaders();
@peopleinside Thanks again for the help!