Logged In: NO

Sorry, here's the full trace:
Thread 5 Crashed:
0 com.apple.Foundation 0x92901620 _NSRaiseError + 264
1 com.apple.Foundation 0x9290135c +[NSException
raise:format:] + 40
2 com.apple.Foundation 0x928c79a8 -[NSCFDictionary
setObject:forKey:] + 124
3 com.scifihifi.Cocoalicious 0x0001e38c -[DCAPICache
addPosts:clean:] + 412 (crt.c:355)
4 com.scifihifi.Cocoalicious 0x0001e0c4 -[DCAPICache
refreshMemoryCacheWithPolicy:error:] + 480 (crt.c:355)
5 com.scifihifi.Cocoalicious 0x0000b3b0 -[AppController
refreshPostsWithCachePolicy:] + 120 (crt.c:355)
6 com.scifihifi.Cocoalicious 0x0000b108 -[AppController
refreshAll] + 96 (crt.c:355)
7 com.apple.Foundation 0x928e66d4
forkThreadForFunction + 108
8 libSystem.B.dylib 0x9002b200 _pthread_body + 96

It looks like the URLString is not in the correct format