When user files area is empty it causes error displaying the content.
My tikiwiki is 1.9.1 with php5 and Postgresql 8.x
For more details see --> https://sourceforge.net/tracker/index.php?func=detail&aid=1283628&group_id=64258&atid=506846
Please upgrade to a more recent version of tiki,
try again, check tracker items and add a new item if the problem persists.
To help developers solve the bug, we kindly request that you demonstrate your bug on a show2.tiki.org instance. To start, simply select a version and click on "Create show2.tiki.org instance". Once the instance is ready (in a minute or two), as indicated in the status window below, you can then access that instance, login (the initial admin username/password is "admin") and configure the Tiki to demonstrate your bug. Priority will be given to bugs that have been demonstrated on show2.tiki.org.
Unable to connect to show.tikiwiki.org. Please let us know of the problem so that we can do something about it. Thanks.