rror #0:
OMV\ExecException: Failed to execute command 'export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export LANG=C.UTF-8; apt-get update 2>&1' with exit code '100': Reading package lists...

E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/lib/apt/lists/
W: Target Packages (main/binary-armhf/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Contents-deb (main/Contents-armhf) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Contents-deb (main/Contents-all) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Packages (contrib/binary-armhf/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Packages (contrib/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Contents-deb (contrib/Contents-armhf) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Contents-deb (contrib/Contents-all) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Packages (non-free/binary-armhf/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Packages (non-free/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Contents-deb (non-free/Contents-armhf) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1
W: Target Contents-deb (non-free/Contents-all) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list.d/openmediavault-kernel-backports.list:1 in /usr/share/openmediavault/engined/rpc/apt.inc:220
Stack trace:
#0 /usr/share/php/openmediavault/rpc/serviceabstract.inc(565): OMVRpcServiceApt->{closure}('/tmp/bgstatusA6...', '/tmp/bgoutputHt...')
#1 /usr/share/openmediavault/engined/rpc/apt.inc(224): OMV\Rpc\ServiceAbstract->execBgProc(Object(Closure))
#2 [internal function]: OMVRpcServiceApt->update(NULL, Array)
#3 /usr/share/php/openmediavault/rpc/serviceabstract.inc(123): call_user_func_array(Array, Array)
#4 /usr/share/php/openmediavault/rpc/rpc.inc(86): OMV\Rpc\ServiceAbstract->callMethod('update', NULL, Array)
#5 /usr/sbin/omv-engined(537): OMV\Rpc\Rpc::call('Apt', 'update', NULL, Array, 1)
#6 {main}