On Sun, 17 May 2020 20:54:57 +0200
Danny Milosavljevic <dannym@scratchpost.org> wrote:

> I got the error message "Can't creeate temporary file" in http://localhost:631 .
> 
> The reason was that /var/spool/cups/tmp was
> 
>   drwxr-xr-x 2 root lp  tmp
> 
> when it should have been
> 
>   drwxrwxr-x 2 root lp  tmp
> 
> otherwise HP PSC 2170 wouldn't print.

After fixing that, it eventually auto-broke again after some time.
Permissions automatically reverted to the former ones.

Endless error loop :P