[Moin-user] Unable to delete attachment

[R.Bauer]

MSulchan Darmawan schrieb:
> Dear all,
> 
> Usually I can delete an attachment successfully, but recently I cannot
> delete it anymore, the message is :
> 
> Please use the interactive user interface to use action AttachFile.del!
> 
> Since I didn't change anything on the server side and manage the server
> by myself, then what should I do to trace the problem ? 

Which browser is it?

> 
> I use Ubuntu 8.04.4 and a very old moin version 1.5.8 :D

read http://moinmo.in/SecurityFixes and update.

Reimar