Upon activation of Roundcube Plugin, I recieved the following error: Modules::Plugin::_call: Can't locate object method "getInstance" via package "Servers::mta::postfix" (perhaps you forgot to load "Servers::mta::postfix"?) at /var/www/imscp/engine/PerlLib/Servers/po/dovecot.pm line 493. I have found nothing telling in logs.
System Details:
Debian GNU/Linux 8.7 (jessie)
PHP Ver: 5.6.30 (Default)
MYSQL Ver: 5.7.17
FPM/FastCGI
Vsftpd Ver: 3.0.2
i-MSCP 1.4.1 | Build: 20170328 | Codename: ZImmer
Plugins Installed and Active:
AdminerSQL - Ver. 1.0.1
ClamAV - Ver. 1.2.0
CronJobs - Ver. 1.4.1
DebugBar - Ver. 1.1.2
DomainAutoApproval - Ver. 1.1.2
InstantSSH - Ver. 5.0.1
LetsEncrypt - Ver. 3.0.0
Mailgraph - Ver. 1.1.1
Mailman - Ver. 1.0.3
Monitorix - Ver. 1.2.2
OpenDKIM - Ver. 1.1.3
PanelRedirect - Ver. 1.1.5
PhpSwitcher - Ver. 3.0.3
PolicydSPF - Ver. 1.1.0
PolicydWeight - Ver. 1.1.0
Postgrey - Ver. 1.1.1
Postscreen - Ver. 1.1.0
ServerDefaultPage - Ver. 1.2.5
SpamAssassin - Ver. 1.1.1