Sync calendar.ics files

I'm trying to sync my Nokia 6600 with Mozilla Sunbird using only the 
calendar part. I'm using the evolution plugin and them change the 
remotesettings file to the sunbird .ics calendar file but when I start 
multisync I always get:

Unable to find source for cal

How can I change the path of the calendar to use the sunbird .ics file 
instead of the evolution file?


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