ports/179566: lang/mono: Unhandled Exception: System.IO.DirectoryNotFoundException: Directory '/tmp/20c24a7b' not found.

[Sergio de Almeida Lenzi]

>  Hi
>  
>  Can you please try the patch attached to ports/179899 and report success
>  or failure ?
>  
>  Thanks!

For me it worked, not only on mono itsself,  but all the C# programs
like: gnome-subtitles as well...