I should have copied this also. This is the error that came right before the above error.
[06-Jan-2020 19:25:54 UTC] 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
[06-Jan-2020 19:25:57 UTC] PHP Warning: Declaration of AssignmentForm::render($options) should be compatible with Form::render($staff = true, $title = false, $options = Array) in C:\inetpub\wwwroot\OSTicket\include\class.forms.php on line 4150
[06-Jan-2020 19:25:57 UTC] PHP Warning: Declaration of TransferForm::render($options) should be compatible with Form::render($staff = true, $title = false, $options = Array) in C:\inetpub\wwwroot\OSTicket\include\class.forms.php on line 4270
[06-Jan-2020 19:26:59 UTC] PHP Warning: PHP Startup: Invalid library (appears to be a Zend Extension, try loading using zend_extension=php_opcache.dll from php.ini) in Unknown on line 0
[06-Jan-2020 19:26:59 UTC] PHP Warning: Declaration of AssignmentForm::render($options) should be compatible with Form::render($staff = true, $title = false, $options = Array) in C:\inetpub\wwwroot\OSTicket\include\class.forms.php on line 4150
[06-Jan-2020 19:26:59 UTC] PHP Warning: Declaration of TransferForm::render($options) should be compatible with Form::render($staff = true, $title = false, $options = Array) in C:\inetpub\wwwroot\OSTicket\include\class.forms.php on line 4270