The panel encountered a problem while loading "OAFIID:TimerApplet".
Installed from source 2.2beta1. Only problem during configure was it failed on finding a m4 dir, so created that and then it was fine. Logged out and then add the app to the panel to get the message:
The panel encountered a problem while loading "OAFIID:
Do you want to delete the applet from your configuration?
Went back into the src directory and ran 'timer-applet' but got the following trace:
Using these definitions:
Traceback (most recent call last):
File "./timer-applet", line 26, in ?
from GlobalController import GlobalController
from timerapplet import ui
from StartTimerDialog import StartTimerDialog
from subprocess import check_call, CalledProcessError
ImportError: cannot import name check_call
Doing a bit of checking it seems that subprocess.