NethServer Version: 7.5
Module: server-manager
Dashboard comes up blank with no side navigation panel, but manually navigating to other pages works.
The only log error is in httpd-admin/error.log
[Thu May 24 07:50:31.319269 2018] [:error] [pid 30332] [client 192.168.100.161:36762] PHP Warning: Invalid argument supplied for foreach() in /usr/share/nethesis/NethServer/Tool/phpprintipp/http_class.php on line 317, referer: https://192.168.100.1:980/en-US/Dashboard
[Thu May 24 07:50:31.319324 2018] [:error] [pid 30332] [client 192.168.100.161:36762] PHP Warning: \\nE_USER_WARNING: [errno: ]: Unable to connect to "tcp://localhost port 631": Connection refused in /usr/share/nethesis/NethServer/Tool/phpprintipp/http_class.php on line 329, referer: https://192.168.100.1:980/en-US/Dashboard
[Thu May 24 07:50:31.319347 2018] [:error] [pid 30332] [client 192.168.100.161:36762] PHP Warning: No Response From Server in /usr/share/nethesis/NethServer/Tool/phpprintipp/BasicIPP.php on line 1218, referer: https://192.168.100.1:980/en-US/Dashboard
[Thu May 24 07:50:34.133176 2018] [:error] [pid 30332] [client 192.168.100.161:36762] PHP Warning: Cannot modify header information - headers already sent by (output started at /usr/share/nethesis/Nethgui/Utility/HttpResponse.php:81) in /usr/share/nethesis/nethserver-manager/index.php on line 39, referer: https://192.168.100.1:980/en-US/Dashboard
I note the reference to cups (:631) in the log but the cups service loads OK. It is not used at this stage.
Maybe a possible permissions issue???