osTicket v1.12.2
Data from phpinfo90 is:
PHP Version 7.2.21-1+ubuntu18.04.1+deb.sury.org+1
Server API Apache 2.0 Handler
PHP API 20170718
PHP Extension 20170718
Zend Extension 320170718
Zend Extension Build API320170718,NTS
PHP Extension Build API20170718,NTS
Registered PHP Streams https, ftps, compress.zlib, php, file, glob, data, http, ftp, phar, zip
Registered Stream Socket Transports tcp, udp, unix, udg, ssl, tls, tlsv1.0, tlsv1.1, tlsv1.2
Registered Stream Filters zlib., string.rot13, string.toupper, string.tolower, string.strip_tags, convert., consumed, dechunk, convert.iconv.*
Can you tell me what other environment info is needed please?