Fatal error: Uncaught Error: Call to undefined function filter_var() in /www/mail/program/lib/Roundcube/bootstrap.php:49
Stack trace:
#0 /www/mail/program/include/iniset.php(78): require_once()
#1 /www/mail/installer/index.php(43): require('...')
#2 {main}
thrown in /www/mail/program/lib/Roundcube/bootstrap.php on line 49 Internal Error
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