[Owncloud] Issue with blank screen

[Paul Jewell]

Hello, I was redirected to this email address after trying for a few weekt
to find a solution in the general owncloud forums. The problem Is a blank
screen when trying to access the web interface of my owncloud installation.
(clients also can not connect) I can not tell exactly what caused the
problem. I have tried reinstalling both version 4 and 5, and creating a
fresh database. I also find these errors in the log:

{"app":"PHP","message":"include(): Filename cannot be empty at
\/home\/jms\/owncloud\/lib\/template.php#441","level":2,"time":1369107865}
{"app":"PHP","message":"include(): Failed opening '' for inclusion
(include_path='\/home\/jms\/owncloud\/lib:\/home\/jms\/owncloud\/config:\/home\/$
{"app":"PHP","message":"include(): Filename cannot be empty at
\/home\/jms\/owncloud\/lib\/template.php#441","level":2,"time":1369107875}
{"app":"PHP","message":"include(): Failed opening '' for inclusion
(include_path='\/home\/jms\/owncloud\/lib:\/home\/jms\/owncloud\/config:\/home\/$
{"app":"PHP","message":"include(): Filename cannot be empty at
\/home\/jms\/owncloud\/lib\/template.php#441","level":2,"time":1369202278}
{"app":"PHP","message":"include(): Failed opening '' for inclusion
(include_path='\/home\/jms\/owncloud\/lib:\/home\/jms\/owncloud\/config:\/home\/$
{"app":"PHP","message":"include(): Filename cannot be empty at
\/home\/jms\/owncloud\/lib\/template.php#441","level":2,"time":1369271931}
{"app":"PHP","message":"include(): Failed opening '' for inclusion
(include_path='\/home\/jms\/owncloud\/lib:\/home\/jms\/owncloud\/config:\/home\/$

Any help you have to fix this ongoing issue would be of great help.
The post is located here:

http://forum.owncloud.org/viewtopic.php?f=23&t=11352&p=29862#p29862

Another user verifies having the same issue.
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