Hey everyone, I have now made a new backup from the old system and again run the updatet to 1.9.8.1. I have downloaded and installed from the osTicket plugin, this time I was able to set up and save it. Now a new problem, I can not activate the plugin, it will simply be deactivated.About this osTicket InstallationServer InformationosTicket Versionv1.9.8.1 (4752178)Web Server SoftwareApache/2.4.9 (Win32) OpenSSL/1.0.1g PHP/5.5.11MySQL Version5.6.16PHP Version5.5.11PHP Extensionsgdlib Used for image manipulation and PDF printing imap Used for email fetching xml XML API xml-dom Used for HTML email processing json Improves performance creating and processing JSON mbstring Highly recommended for non western european language content phar Highly recommended for plugins and language packs fileinfo Used to detect file types for uploads PHP Settingscgi.fix_pathinfo "1" is recommended if AJAX is not working date.timezone Europe/Berlin Database Information and UsageSchemaosTicket (localhost) Schema Signatureb26f29a6bb5dbb3510b057632182d138 Space Used60.16 MiBSpace for Attachments165.02 MiBInstalled Language PacksDeutsch (German) — de_DE Version: 143155, Built: Wed, 13 May 15 16 -0500