Good day everybody.
I am wondering if somebody have idea on what seems to be missing on this issue. Whenever printing the ticket thread and/or attachments via the print button in , next page would be the Error 500 page.

Here are the osTicket Installation information. We are running it on Windows Server 2016
PHP version 7.4.19

This is the error we see from the PHP Error.
"PHP Warning: PHP Startup: Invalid library (appears to be a Zend Extension, try loading using zend_extension=php_opcache.dll from php.ini) in Unknown on line 0"

Thank you for everybody's time.

jilzalamed changed the title to HTTP Error 500 message shows up when trying to print ticket thread.
8 days later

Good day everybody.
I was hoping anybody have update here. any suggestion that has not been listed here is greatly appreciated.
Thank you.

You are running 1.14.x on PHP 7.4. That version doesn't officially support 7.4 so you it could be a PHP incompatibility.
First thing I would recommend is to either try a different version of PHP, or upgrade to current.

Are you seeing any errors being logged (IIS logs, PHP logs, osTicket System Logs)

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