error("failed to get filehandle ($fh)");
+>> Sure. I've done the change and it seems that $fh variable is undefined:
+
+>> Use of uninitialized value in concatenation (.) or string at /usr/share/perl5/IkiWiki/Plugin/attachment.pm line 135.
+>> failed to get filehandle ()
+
> Also, what web server and version of perl is this? --[[Joey]]
+>> It's Perl 5.8.8-12 from Ubuntu Hardy. --[[Paweł|ptecza]]
+
The same message I can see in the Apache log file. There is also
following warning: