ntozier Yes, I'm running apache. Php 7 on ubuntu 16.04. I am not running mod_security or SELinux.
Also yes, I recieve a Error 500 like you can see at the screenshot i've posted earlier.

PHP mods:
[PHP Modules]
apcu
calendar
Core
ctype
curl
date
dom
exif
fileinfo
filter
ftp
gd
gettext
hash
iconv
imap
intl
json
libxml
mbstring
mcrypt
mysqli
mysqlnd
openssl
pcntl
pcre
PDO
pdo_mysql
Phar
posix
readline
Reflection
session
shmop
SimpleXML
sockets
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
wddx
xml
xmlreader
xmlwriter
xsl
Zend OPcache
zlib

[Zend Modules]
Zend OPcache

    There are 89 versions of PHP 7, can you please be a bit more specific?

    Anything in your PHP or Apache error logs?

      ntozier
      PHP 7.0.33-0ubuntu0.16.04.4 (cli) ( NTS )
      Copyright (c) 1997-2017 The PHP Group
      Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies
      with Zend OPcache v7.0.33-0ubuntu0.16.04.4, Copyright (c) 1999-2017, by Zend Technologies

      Logfiles show lot's of notice in file class.orm.php, but it doesn't make any sense to me. Nothing I could refer a 500 error to. I can upload the whole file if you like?

        ntozier To make it less search work i've let the problem accour, log files in attachment

        archief.zip
        2kB

          The attached files does not appear to work.

          I get
          {"errors":[{"code":500,"title":"Internal server error"}]}
          when i click on it.

            ntozier Wierd haha, You can try http://nedkom.nl/Archief.zip or Read below.

            Error log:
            [Mon Jun 24 15:43:05.827356 2019] [mpm_prefork:notice] [pid 178547] AH00163: Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2g configured -- resuming normal operations
            [Mon Jun 24 15:43:05.827415 2019] [core:notice] [pid 178547] AH00094: Command line: '/usr/sbin/apache2'
            [Mon Jun 24 15:43:41.352261 2019] [:error] [pid 178561] [client 213.127.134.195:59040] PHP Fatal error: Uncaught Error: Call to a member function getBody() on null in /var/www/osticket/include/plugins/osticket-slack-master/slack.php:41\nStack trace:\n#0 /var/www/osticket/include/class.signal.php(98): SlackPlugin->onTicketCreated(Object(Ticket), NULL)\n#1 /var/www/osticket/include/class.ticket.php(4047): Signal::send('ticket.created', Object(Ticket))\n#2 /var/www/osticket/open.php(44): Ticket::create(Array, Array, 'Web')\n#3 {main}\n thrown in /var/www/osticket/include/plugins/osticket-slack-master/slack.php on line 41, referer: https://support.nedkom.nl/open.php

            Acces Log:

            213.127.134.195 - - [24/Jun/2019:15:43:17 +0200] "GET /open.php HTTP/1.1" 200 6416 "https://support.nedkom.nl/login.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:17 +0200] "GET /css/osticket.css?a076918 HTTP/1.1" 200 1138 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /css/redactor.css?a076918 HTTP/1.1" 200 12742 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /assets/default/css/theme.css?a076918 HTTP/1.1" 200 5933 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /assets/default/css/print.css?a076918 HTTP/1.1" 200 833 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /css/font-awesome.min.css?a076918 HTTP/1.1" 200 4857 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /css/thread.css?a076918 HTTP/1.1" 200 3323 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /css/ui-lightness/jquery-ui-1.10.3.custom.min.css?a076918 HTTP/1.1" 200 4383 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /scp/css/typeahead.css?a076918 HTTP/1.1" 200 1217 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /css/flags.css?a076918 HTTP/1.1" 200 1961 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /css/rtl.css?a076918 HTTP/1.1" 200 1282 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /css/select2.min.css?a076918 HTTP/1.1" 200 2344 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /js/osticket.js?a076918 HTTP/1.1" 200 3406 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /js/jquery-3.4.0.min.js?a076918 HTTP/1.1" 200 31229 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /js/filedrop.field.js?a076918 HTTP/1.1" 200 7154 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /js/jquery-ui-1.12.1.custom.min.js?a076918 HTTP/1.1" 200 68935 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /scp/js/bootstrap-typeahead.js?a076918 HTTP/1.1" 200 3261 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /js/redactor-plugins.js?a076918 HTTP/1.1" 200 16143 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /js/redactor-osticket.js?a076918 HTTP/1.1" 200 5002 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /js/redactor.min.js?a076918 HTTP/1.1" 200 40611 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /js/select2.min.js?a076918 HTTP/1.1" 200 19539 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /js/fabric.min.js?a076918 HTTP/1.1" 200 61955 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /ajax.php/i18n/nl/js HTTP/1.1" 304 302 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /assets/default/images/page_bg.png HTTP/1.1" 304 209 "https://support.nedkom.nl/assets/default/css/theme.css?a076918" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /assets/default/images/icons/home.png HTTP/1.1" 304 209 "https://support.nedkom.nl/assets/default/css/theme.css?a076918" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /images/flags.png HTTP/1.1" 304 211 "https://support.nedkom.nl/css/flags.css?a076918" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /assets/default/images/icons/new.png HTTP/1.1" 304 209 "https://support.nedkom.nl/assets/default/css/theme.css?a076918" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /assets/default/images/nav_bg.png HTTP/1.1" 304 209 "https://support.nedkom.nl/assets/default/css/theme.css?a076918" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /logo.php HTTP/1.1" 304 303 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /assets/default/images/icons/status.png HTTP/1.1" 304 209 "https://support.nedkom.nl/assets/default/css/theme.css?a076918" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:18 +0200] "GET /assets/default/images/poweredby.png HTTP/1.1" 304 210 "https://support.nedkom.nl/assets/default/css/theme.css?a076918" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            ::1 - - [24/Jun/2019:15:43:23 +0200] "OPTIONS HTTP/1.0" 200 126 "-" "Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2g (internal dummy connection)"
            ::1 - - [24/Jun/2019:15:43:24 +0200] "OPTIONS             HTTP/1.0" 200 126 "-" "Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2g (internal dummy connection)"
            213.127.134.195 - - [24/Jun/2019:15:43:31 +0200] "GET /ajax.php/form/help-topic/13 HTTP/1.1" 200 1858 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:31 +0200] "GET /assets/font/fontawesome-webfont.woff?v=3.2.1 HTTP/1.1" 200 43987 "https://support.nedkom.nl/css/font-awesome.min.css?a076918" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:39 +0200] "GET /images/FhHRx-Spinner.gif HTTP/1.1" 200 3104 "https://support.nedkom.nl/css/osticket.css?a076918" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:39 +0200] "POST /open.php HTTP/1.1" 500 476 "https://support.nedkom.nl/open.php" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"
            213.127.134.195 - - [24/Jun/2019:15:43:41 +0200] "GET /favicon.ico HTTP/1.1" 404 567 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0"

              @thijskossen

              If you read the error:

              PHP Fatal error: Uncaught Error: Call to a member function getBody() on null in /var/www/osticket/include/plugins/osticket-slack-master/slack.php:

              It says that the system is trying to call getBody() on null...I'm assuming null is supposed to be a thread entry object or something. Anywho, you should contact the plugin developer for further assistance or just remove the plugin altogether.

              Cheers.

                KevinTheJedi Sad i dind't figure that my self haha. I've solved the problem. Thanx both for helping.

                For the ones wondering what the solution was with the slack plug-in:
                Get body is supposed to fetch the contents of a thread entry. It was missing 'Issue Details' since I deleted that column.

                    2 years later

                    thijskossen Would like to thank you. More than 2 years from this, I resolved my issue with your aclaration.
                    Thanks a lot!!

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