[Mono-dev] I can not use beagle which is based on mono

[waterloo]

I use mono 2.2-r3.
I can not use beagle which is based on mono in gentoo.
when  I run beagle --fg --debug, it will halt and exit after a while.
it displays:

Debug: Delaying add of file:///media/bak/oo/FILE/??n?¤????????ì???·.chm
until FSQ comes across it
**
ERROR:strenc.c:193:mono_unicode_to_external: assertion failed: (utf8!=NULL)
Aborted

how to fix it ? thanks
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