Control panel applet not starting

[Petite Escalope]

Hello,
sometime ( i have not found the reason yet) my control panel applet doesn't
start. The control panel is well launched in xephyr but nothing happen
when  I click to start my applet.Their is nothing displayed in the
scratchbox output...
I have no compliation error, everything looks ok.

Do you know the reason of this behavior?

I am coding with gedit and compiling the shared lib manually with gcc.

How can i see some log from maemo's runtime?

Thank you
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