Thread:Project:Support desk/Editing Page causes Script Error to Appear at Top/reply (3)

> why did I never get that problem with my old host?

Because you were allowed to access this path and because the file was there.

> Any idea how to correctly set up that extension?

On the Extension:TitleBlacklist you have an example configuration. I do not know the extension, but according to this example configuration I guess that your problem is caused by the setting in $wgTitleBlacklistSources. I would try removing the last array as follows and put this code in localsettings.php: