[rt-users] Plugin(s) stopped working (long)

[Patrick G. Stoesser]

Update:

I now made research from bottom to top and found out that all files 
under /usr/local/share/request-tracker4/plugins were root:staff and 0775 
- except RTx-Calendar, which was 0444. I chmoded to 0775 and heureka! 
Calendar is displayed. What a...

What still does not work: The inline images of calendar aren't 
displayed. I'll keep at it.